{"title":"WMS Clone Jets and Jet Block","description":"\u003cp\u003eWMS drilled clone carburetor jets sold individually in marked sizes such as .032 through .038 inch for GX200 clone engines.\u003c\/p\u003e","products":[{"product_id":"r-l-v-clone-engine-jet-035-88mm-one-single-jet-rlvdj35","title":"Precision R.L.V. Clone Engine Jet .035 (0.88mm) for Optimal Fuel Flow","description":"\u003cp\u003eUnlock superior engine performance in your kart with this meticulously crafted R.L.V. Clone Engine Jet sized at .035 inches, equivalent to 0.88mm. Designed specifically for clone engines, this single jet ensures accurate fuel delivery, preventing lean conditions that rob you of speed during crucial race moments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Benefit:\u003c\/strong\u003e Fine-tunes fuel flow for immediate throttle response, helping you blast out of corners faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Advantage:\u003c\/strong\u003e Reduces hesitation in low-RPM scenarios, maintaining momentum where stock jets falter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Edge:\u003c\/strong\u003e Built from high-quality materials to withstand the heat and pressure of competitive racing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're dialing in your setup for a local heat or a national event, integrating this jet into your carburetor can shave seconds off your lap times by promoting a more efficient burn. Racers often report noticeable gains in overall drivability after swapping to this precision component. For those serious about karting, it's an essential tweak that elevates your machine's potential without complex modifications. SKU: RLVDJ35.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is choosing the correct jet size important for my clone engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The jet controls the air-fuel ratio. A .035 jet ensures your engine receives the precise amount of fuel needed for combustion. If the jet is too small, your engine may run \"lean,\" leading to overheating and potential damage; if it is too large, it may run \"rich,\" causing sluggish performance and carbon buildup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to change my current jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should consider swapping jets if you notice hesitation during acceleration, poor throttle response coming out of corners, or if your spark plug shows signs of an improper air-fuel mixture (white\/blistered for lean, black\/sooty for rich).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all clone carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This R.L.V. jet is designed specifically for standard clone engine carburetors used in competitive karting. Always verify your current carburetor setup and jetting requirements based on your track's specific rules and your engine's current performance data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean these jets if they get clogged?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While these jets are durable, they are precision-drilled components. It is recommended to use a dedicated carburetor cleaner and compressed air. Avoid using wire or hard tools to clean the orifice, as this can scratch the interior and alter the fuel flow rate, rendering the jet inaccurate.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-032-81mm-5-pack-5010\"\u003ePrecision R.L.V. Clone Engine Jet .032 (0.81mm) 5-Pack for Optimal Fuel Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-034-85mm-5-pack-5011\"\u003eHigh-Performance R.L.V. Clone Jet .034 (0.85mm) 5-Pack for Kart Speed Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-036-91mm-one-single-jet-rlvdj36\"\u003eHigh-Performance R.L.V. Clone Jet .036 (0.91mm) Single Unit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-037-93mm-5-pack-5009\"\u003eDynamic R.L.V. .037 (0.93mm) Clone Jet 5-Pack for Kart Engine Efficiency\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-038-96mm-one-single-jet-rlvdcj38\"\u003eAdvanced R.L.V. Clone Jet .038 (0.96mm) for Peak Engine Power\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.L.V.","offers":[{"title":"Default Title","offer_id":52562667503934,"sku":"RLVDJ35","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlvclonejets-r-l-v-clone-engine-jet-035-88mm-one-single-jet-rlvdj35.jpg?v=1763114026"},{"product_id":"r-l-v-clone-engine-jet-036-91mm-one-single-jet-rlvdj36","title":"High-Performance R.L.V. Clone Jet .036 (0.91mm) Single Unit","description":"\u003cul\u003e\n\u003cli\u003eExperience refined power delivery through this .036 (0.91mm) R.L.V. Clone Engine Jet, tailored for precise carburetor adjustments in clone-based karts.\u003c\/li\u003e\n\u003cli\u003eWhy it matters: It strikes the perfect balance between fuel richness and leanness, ensuring your engine hits peak performance without flooding or starving.\u003c\/li\u003e\n\u003cli\u003eProven on track: Users see improved mid-range pull, translating to faster exits from tight turns and sustained speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInstalling this single jet is straightforward, yet its impact on your kart's responsiveness is profound. In the heat of a race, where every millisecond counts, this component helps maintain consistent power bands, reducing the need for constant readjustments. It's particularly valuable for tracks with varying elevations or conditions, where fuel mixture stability can make or break your position. Pair it with your existing RLV setup for a harmonious engine tune that feels alive under your control. SKU: RLVDJ36.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .036 jet is the right size for my clone engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Jet sizing depends on your specific engine build, air intake, exhaust, and local track elevation. The .036 (0.91mm) is a common baseline for fine-tuning fuel mixtures. If your engine is running too rich (bogging) or too lean (stuttering at high RPM), you may need to adjust your jet size accordingly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all clone carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This R.L.V. jet is designed for standard clone-style racing carburetor setups. Please verify your current jet thread pitch and style to ensure compatibility with your specific carburetor model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the best way to install a new carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Ensure your fuel line is shut off and the carburetor bowl is drained. Carefully remove the bowl nut to access the jet. Use a properly sized screwdriver to avoid stripping the brass threads. Always ensure the new jet is seated snugly, but do not overtighten, as brass is a soft metal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I carry multiple jet sizes to the track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is highly recommended. Atmospheric conditions like temperature, humidity, and altitude significantly affect air density. Having a range of jet sizes allows you to \"jet for the conditions\" to maintain peak engine performance throughout the race day.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-036-91mm-5-pack-5012\"\u003eAdvanced R.L.V. Clone Jet .036 (0.91mm) 5-Pack for Superior Kart Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-035-88mm-one-single-jet-rlvdj35\"\u003ePrecision R.L.V. Clone Engine Jet .035 (0.88mm) for Optimal Fuel Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-037-93mm-5-pack-5009\"\u003eDynamic R.L.V. .037 (0.93mm) Clone Jet 5-Pack for Kart Engine Efficiency\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-038-96mm-one-single-jet-rlvdcj38\"\u003eAdvanced R.L.V. Clone Jet .038 (0.96mm) for Peak Engine Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-034-85mm-5-pack-5011\"\u003eHigh-Performance R.L.V. Clone Jet .034 (0.85mm) 5-Pack for Kart Speed Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.L.V.","offers":[{"title":"Default Title","offer_id":52562667569470,"sku":"RLVDJ36","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlvclonejets-r-l-v-clone-engine-jet-036-91mm-one-single-jet-rlvdj36.jpg?v=1763114029"},{"product_id":"r-l-v-clone-engine-jet-037-93mm-one-single-jet-rlvdj37","title":"RLV Clone Engine Main Jet - .037\" (0.93mm) - Predator \u0026 Clone 196cc\/212cc","description":"\u003cp\u003ePrecision fuel delivery is the cornerstone of top-tier racing go kart engine parts, and the RLV .037\" (0.93mm) Clone Engine Jet is engineered to eliminate mid-corner hesitation. When you are pushing your kart to the absolute limit, inconsistent fuel metering is the enemy of lower lap times. This precision-drilled .037-inch main jet provides a highly reliable, single metering point that smooths out throttle response across the entire RPM range. By allowing for more aggressive jetting setups, this component unlocks the hidden horsepower required to pull away from the pack on long straights and power out of tight hairpins.\u003c\/p\u003e\u003ch2\u003eDialing in Your Race Wheel Dynamics with Precise Fuel Delivery\u003c\/h2\u003e\u003cp\u003ePower delivery directly affects chassis handling. A sputtering engine mid-corner can upset your race wheel traction, causing unwanted understeer or snap oversteer. By installing this RLV .037 jet, you ensure a buttery-smooth transition from off-throttle to wide-open, keeping the chassis settled and your momentum high. Whether you are running on high-grip sprint tracks or slick dirt ovals, predictable engine response is non-negotiable for a podium finish.\u003c\/p\u003e\u003ch2\u003eBeyond Mini Go Karts: Professional Tuning for Clone Engines\u003c\/h2\u003e\u003cp\u003eWhile standard jets might suffice for recreational mini go karts, competitive racing demands exact tolerances. This RLV jet is machined to strict specifications, minimizing the risk of engine knock by guaranteeing an even, rich fuel distribution under heavy load. It is the secret weapon track veterans rely on to fine-tune their air-fuel ratios when atmospheric conditions change, ensuring the engine remains responsive and powerful from the green flag to the checkered.\u003c\/p\u003e\u003ch2\u003eEssential Upgrades: From Tire Bolt Checks to the LO206 Carburetor Kit\u003c\/h2\u003e\u003cp\u003eA winning pit strategy involves meticulous attention to detail, from torquing every tire bolt to optimizing your fuel system. Integrating this .037 jet into your setup is as crucial as dialing in your lo206 carburetor kit. It drops easily into standard clone carburetor bodies, making trackside tuning a breeze and keeping your focus on the driving line rather than mechanical woes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision .037\" (0.93mm) Orifice:\u003c\/strong\u003e Ensures exact fuel metering for maximum combustion efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Mid-to-High RPM:\u003c\/strong\u003e Prevents lean-out conditions at the top end of the track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-Fit Installation:\u003c\/strong\u003e Drops seamlessly into standard clone and Predator 212 carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Engine Knock:\u003c\/strong\u003e Delivers a consistent air-fuel mixture to protect internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Jetting Profiles:\u003c\/strong\u003e Unlocks hidden horsepower for competitive sprint and endurance racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Brass Construction:\u003c\/strong\u003e Resists corrosion from harsh racing fuels and additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Proven Reliability:\u003c\/strong\u003e Trusted by professional engine builders for consistent dyno results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .037\" jet is the right size for my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Jet sizing depends on your specific engine build, air filter, exhaust, and local atmospheric conditions. The .037\" jet is a popular choice for many stock-class Clone and Predator 212 engines, but you should always check your spark plug color after a test run to ensure you aren't running too lean or too rich.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with my Predator 212 carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this RLV main jet is designed to drop directly into standard Clone and Predator 212 carburetor bodies, making it a seamless upgrade for your fuel system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I change or clean my carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect and clean your jet whenever you experience inconsistent throttle response or if the kart has been sitting for an extended period. Racing fuels can leave deposits that restrict flow; keeping your jet clean ensures consistent fuel metering and peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this jet for trackside tuning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. Because this jet is easy to install, it is a staple for trackside tuning kits. Having a selection of jet sizes allows you to adjust your air-fuel ratio quickly to compensate for changes in humidity, temperature, or track elevation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5007-rlv-clone-thick-flange-header-959-id-exf5007\"\u003eRLV EXF5007 Thick Flange Clone Header with 0.959 Inch ID for Power Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5434-rlv-thick-flange-clone-header-j-style-5434\"\u003eRLV Thick Flange J-Style Clone Header for Robust GX200 Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5435-rlv-clone-gx200-wide-power-band-j-style-header-5435\"\u003eRLV Wide Power Band J-Style Header for GX200 Clone Engines with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ebl1594-rlv-float-gauge-set-ebl1594\"\u003eRLV EBL1594 Briggs Carb Float Gauge Set - 5-Piece .010\" Increments - LO206 \/ Animal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4117-rlv-b-91-mini-muffler-this-fits-weiner-type-pipe-only-4117mm\"\u003eRLV B-91 Mini Muffler for Weiner-Type Clone Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562667700542,"sku":"RLVDJ37","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlvclonejets-r-l-v-clone-engine-jet-037-93mm-one-single-jet-rlvdj37.jpg?v=1763114032"},{"product_id":"r-l-v-clone-engine-jet-039-99mm-one-single-jet-rlvdj39","title":"R.L.V. .039 (0.99mm) Clone Engine Jet - Single for Maximum Output","description":"\u003cp\u003e\u003cstrong\u003eFuel your kart's hunger for speed\u003c\/strong\u003e with the .039 (0.99mm) R.L.V. Clone Engine Jet, a single component that revolutionizes how your engine breathes and burns.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDelivers optimal fuel volume for modified intakes, ensuring no power loss at wide-open throttle.\u003c\/li\u003e\n\u003cli\u003eImproves overall engine harmony, making shifts smoother and more intuitive.\u003c\/li\u003e\n\u003cli\u003eBuilt tough for repeated race abuse, maintaining calibration over long seasons.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis jet shines in setups where stock components limit potential, allowing you to extract more from your clone motor without risking reliability. Racers find it invaluable for organizing jet kits—keep spares handy for on-the-fly tweaks that keep you leading the field. Its precise sizing means less guesswork, more laps, and ultimately, faster times that turn heads in the paddock. SKU: RLVDJ39.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the .039 (0.99mm) jet over other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .039 jet is specifically sized to provide the optimal fuel-to-air ratio for modified clone engines. If your engine is running lean at wide-open throttle, this size helps deliver the extra fuel needed to maintain power and prevent overheating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my kart engine needs a jet change?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should consider changing your jet if you notice a loss of power at high RPMs, engine hesitation, or if your spark plug shows signs of a \"lean\" condition (white or light gray electrode). Always perform plug chops to verify your air-fuel mixture after installing a new jet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all clone engines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This R.L.V. jet is designed for standard clone racing carburetors. While it fits most common clone platforms, always verify your carburetor model and current jetting baseline before installation to ensure it matches your specific engine build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I buy these in bulk?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, if you find that the .039 size is your \"go-to\" for track conditions, we offer a 5-pack version to ensure you always have spares in your toolbox for quick trackside adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-039-99mm-5-pack-5014\"\u003eElite R.L.V. .039 (0.99mm) Clone Jet 5-Pack for Ultimate Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-040-1-02mm-one-single-jet-rlvdj40\"\u003eUltimate R.L.V. Clone Jet .040 (1.02mm) Single for Race-Winning Tune\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-038-96mm-one-single-jet-rlvdcj38\"\u003eAdvanced R.L.V. Clone Jet .038 (0.96mm) for Peak Engine Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-036-91mm-one-single-jet-rlvdj36\"\u003eHigh-Performance R.L.V. Clone Jet .036 (0.91mm) Single Unit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-035-88mm-one-single-jet-rlvdj35\"\u003ePrecision R.L.V. Clone Engine Jet .035 (0.88mm) for Optimal Fuel Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.L.V.","offers":[{"title":"Default Title","offer_id":52562668585278,"sku":"RLVDJ39","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlvclonejets-r-l-v-clone-engine-jet-039-99mm-one-single-jet-rlvdj39.jpg?v=1763114038"},{"product_id":"r-l-v-clone-engine-jet-040-1-02mm-one-single-jet-rlvdj40","title":"Ultimate R.L.V. Clone Jet .040 (1.02mm) Single for Race-Winning Tune","description":"What if a tiny jet could redefine your kart's speed potential? The .040 (1.02mm) R.L.V. Clone Engine Jet does just that, serving as a single, high-flow solution for clone engines pushing boundaries.\u003cp\u003e\u003cu\u003eTrack-Tested Advantages:\u003c\/u\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Surge:\u003c\/strong\u003e Feeds more fuel for bigger torque numbers, ideal for heavy-footed drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eEfficiency Win:\u003c\/em\u003e Balances richness to avoid excess, keeping fuel economy in check during practice runs.\u003c\/li\u003e\n\u003cli\u003eSeamless fit for drop-ship orders, streamlining your supply chain at the track.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncorporate this into your carb for a setup that responds eagerly to inputs, helping you navigate chicanes with confidence and exit with blistering pace. It's the detail-oriented choice for engineers who organize every aspect of their rig for peak output. No more settling for mediocre—aim for the checkered flag. SKU: RLVDJ40.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the .040 (1.02mm) jet over other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .040 jet is a specific tuning tool. Choosing the right size depends on your engine's current air-fuel ratio, track elevation, and ambient temperature. This size is typically used to richen the mixture to prevent lean conditions when seeking more torque and power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my clone engine needs a jet change?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should consider a jet change if your engine is showing signs of running lean (e.g., high cylinder head temperatures, hesitation at wide-open throttle, or \"popping\" sounds). Always check your spark plug color after a few laps to determine if you need to move up or down in jet size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all clone carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This R.L.V. jet is designed for standard clone engine carburetors used in karting. However, always verify the thread pitch and physical dimensions against your current jet before installation to ensure a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the best way to install a new carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Ensure the engine is cool before starting. Remove the carburetor bowl, carefully unscrew the existing jet using a properly sized screwdriver to avoid stripping the brass, and gently thread in the new R.L.V. jet. Do not overtighten, as brass is a soft metal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I buy the single jet or the 5-pack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The single jet is perfect for fine-tuning your current setup. If you are a team or a racer who frequently adjusts for different track conditions or altitudes, the 5-pack is a more cost-effective way to keep a variety of sizes in your pit box.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-040-1-02mm-5-pack-5015\"\u003ePro-Grade R.L.V. Clone Jet .040 (1.02mm) 5-Pack for Kart Race Wins\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-041-1-04mm-5-pack-5016\"\u003eVersatile R.L.V. .041 (1.04mm) Clone Engine Jet 5-Pack for Speed Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-039-99mm-one-single-jet-rlvdj39\"\u003eR.L.V. .039 (0.99mm) Clone Engine Jet - Single for Maximum Output\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-038-96mm-one-single-jet-rlvdcj38\"\u003eAdvanced R.L.V. Clone Jet .038 (0.96mm) for Peak Engine Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r-l-v-clone-engine-jet-036-91mm-one-single-jet-rlvdj36\"\u003eHigh-Performance R.L.V. Clone Jet .036 (0.91mm) Single Unit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.L.V.","offers":[{"title":"Default Title","offer_id":52562668683582,"sku":"RLVDJ40","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlvclonejets-r-l-v-clone-engine-jet-040-1-02mm-one-single-jet-rlvdj40.jpg?v=1763114042"},{"product_id":"wms-clone-jet-block-jets-not-included-ajbcl","title":"Durable WMS Clone Jet Block Base for Custom Drilled Jet Setups","description":"Setting up your kart's carburetor for variable conditions starts with a solid foundation like this WMS Clone Jet Block. Without included jets, it offers flexibility to select sizes that match your racing needs in 196cc Clone applications.\u003cp\u003e\u003c\/p\u003e\u003cp\u003eRobust construction withstands the rigors of repeated tuning sessions, ensuring longevity in your GX200 setup. It organizes multiple jet positions neatly, making adjustments quicker during practice or pre-race checks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined for accurate jet seating, preventing leaks that sap power.\u003c\/li\u003e\n\u003cli\u003eSupports aftermarket drilled jets, enabling tailored fuel maps for different tracks.\u003c\/li\u003e\n\u003cli\u003eEnhances overall engine efficiency, contributing to faster qualifying times.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't overlook this base component—it's key to a responsive, high-performing kart that stays ahead of the pack. SKU: AJBCL.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this jet block come with jets included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a base component only. It is designed for racers who prefer to select and install their own custom-drilled jets to match specific track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet block compatible with standard 196cc Clone engines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this WMS Clone Jet Block is specifically designed for 196cc Clone and GX200-style racing kart engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I upgrade to a precision-machined jet block?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A precision-machined block ensures accurate jet seating. This prevents air leaks and fuel inconsistencies that can sap engine power, helping you maintain a more responsive throttle and consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this block help with tuning at the track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By providing a stable, organized base for your jets, this block allows for faster, more reliable jet swaps during practice or pre-race sessions, ensuring you can dial in your fuel map quickly as conditions change.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-039-99mm-single-rlvdj39\"\u003ePrecision WMS Clone Engine Jet .039 Inch 0.99mm Single for Optimal Fuel Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-037-94mm-single-rlvdj37\"\u003eEfficient Single WMS Clone Jet .037 (0.94mm) for Kart Engine Balance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-035-89mm-single-rlvdj35\"\u003ePrecision Single WMS Clone Jet .035 (0.89mm) for Kart Fuel Control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-034-85mm-single-rlvdj34\"\u003eIndividual WMS Clone Jet .034 (0.85mm) for Kart Engine Optimization\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wmsclse-wms-clone-valve-springs-engine-builder-pair-wmsclse\"\u003eWMS Engine Builder Clone Valve Springs Pair for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WMS","offers":[{"title":"Default Title","offer_id":52562717507902,"sku":"AJBCL","price":7.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-jet-block-jets-not-included-ajbcl.jpg?v=1763114734"},{"product_id":"wms-clone-engine-jet-032-81mm-single-rlvdj32","title":"RLV GX200 Clone Engine Drilled Jet - .032\" (0.81mm) - 196cc \/ 212cc Modified Class","description":"\u003cp\u003ePrecision fuel delivery separates the podium finishers from the rest of the pack in any racing go kart setup. When you are dialing in a 196cc or GX200 clone engine, relying on top-tier carburetor parts is non-negotiable for sustained durability and high-RPM reliability. The RLV .032\" (0.81mm) drilled main jet is engineered to provide exact fuel metering, leaning out your mixture for crisp, responsive throttle inputs without sacrificing the engine's lifespan under extreme racing conditions.\u003c\/p\u003e\u003ch2\u003ePrecision Carburetor Parts for Unmatched Reliability\u003c\/h2\u003e\u003cp\u003eWhether you are running a heavily modified GX200 or fine-tuning a standard 196cc clone, achieving the correct stoichiometric ratio is critical. Running too rich fouls plugs and kills top-end speed, while running too lean risks catastrophic detonation. This .032\" (0.81mm) jet offers a highly specific calibration point, allowing racers to adapt quickly to shifting track elevations, dropping temperatures, or changing humidity levels. Unlike cheap, mass-produced mini parts that suffer from inconsistent orifice sizing, this RLV jet is precision-drilled to exact tolerances. This ensures that every time you swap a jet in the pits, you get predictable, repeatable fuel flow.\u003c\/p\u003e\u003ch2\u003eEngineered for the Demands of the Track\u003c\/h2\u003e\u003cp\u003eRacers know that when it comes to trackside tuning, parts are us—we live and breathe the hardware that makes these machines scream. While many drivers obsess over maximizing briggs and stratton lo206 horsepower, clone engine builders face their own unique challenges in extracting reliable power. This single jet allows you to make incremental, highly controlled adjustments to your fuel curve. The brass construction resists corrosion and wear from modern racing fuels, ensuring long-term durability even after dozens of carburetor teardowns.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact .032\" (0.81mm) Orifice:\u003c\/strong\u003e Precision-drilled for absolute consistency and predictable air\/fuel ratio adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Brass Construction:\u003c\/strong\u003e Ensures maximum durability and resistance to corrosive racing fuels and additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for 196cc\/GX200 Clones:\u003c\/strong\u003e Specifically designed to enhance throttle response and high-RPM clarity in clone engine carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLean Mixture Targeting:\u003c\/strong\u003e Perfect for dialing back fuel flow in high-altitude or high-temperature racing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Swaps:\u003c\/strong\u003e Machined threads allow for smooth, cross-thread-free installations during high-pressure tuning sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven RLV Reliability:\u003c\/strong\u003e Manufactured to strict tolerances to outlast and outperform generic aftermarket alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .032\" jet is the right size for my clone engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Jet sizing depends on your specific engine build, track elevation, and ambient temperature. The .032\" (0.81mm) jet is typically used for fine-tuning air\/fuel ratios in modified 196cc\/GX200 engines. If your engine is running too rich (fouling plugs or sluggish top-end), this jet can help lean out the mixture for better response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with stock GX200 carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this RLV jet is designed to fit standard clone engine carburetors. However, because it is a precision-drilled performance part, it is primarily intended for racers who are actively tuning their fuel curve for specific track conditions rather than for stock, out-of-the-box applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the best way to install a new carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Ensure your carburetor is clean and free of debris before installation. Use a properly sized screwdriver to avoid stripping the brass threads. Gently seat the jet until it is snug; do not overtighten, as brass is a soft metal and can be easily damaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I change my carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should swap jets whenever you notice a significant change in track conditions, such as a major shift in humidity, temperature, or altitude. Keeping a selection of RLV precision jets on hand allows you to maintain the optimal stoichiometric ratio throughout the race day.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5007-rlv-clone-thick-flange-header-959-id-exf5007\"\u003eRLV EXF5007 Thick Flange Clone Header with 0.959 Inch ID for Power Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5434-rlv-thick-flange-clone-header-j-style-5434\"\u003eRLV Thick Flange J-Style Clone Header for Robust GX200 Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5435-rlv-clone-gx200-wide-power-band-j-style-header-5435\"\u003eRLV Wide Power Band J-Style Header for GX200 Clone Engines with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ebl1594-rlv-float-gauge-set-ebl1594\"\u003eRLV EBL1594 Briggs Carb Float Gauge Set - 5-Piece .010\" Increments - LO206 \/ Animal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4117-rlv-b-91-mini-muffler-this-fits-weiner-type-pipe-only-4117mm\"\u003eRLV B-91 Mini Muffler for Weiner-Type Clone Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562721177918,"sku":"RLVDJ32","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-engine-jet-032-81mm-single-rlvdj32.jpg?v=1763114765"},{"product_id":"wms-clone-engine-jet-034-85mm-single-rlvdj34","title":"Individual WMS Clone Jet .034 (0.85mm) for Kart Engine Optimization","description":"\u003cul\u003e\n\u003cli\u003e0.85mm size for moderate fuel enrichment\u003c\/li\u003e\n\u003cli\u003eSingle jet for targeted GX200 tweaks\u003c\/li\u003e\n\u003cli\u003eImproves low-end pull in clones\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAddress specific tuning needs with this WMS .034 clone jet, ideal for one-off changes that enhance overall kart dynamics without bulk.\u003c\/p\u003e\u003cp\u003eIt supports richer settings for better torque, making starts more explosive. Availability note: WMS discontinued; receives high-quality RLV substitute. SKU: RLVDJ34.\u003c\/p\u003e\u003cp\u003eStreamline your kit with this essential single, focusing on race-ready precision every time.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I use a .034 (0.85mm) jet in my clone engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .034 jet is designed for moderate fuel enrichment. It is typically used when your engine is running slightly lean or when you need a boost in low-end torque and more explosive acceleration out of the corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to change my fuel jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should consider a jet change if your engine is showing signs of a lean condition (such as overheating, popping, or hesitation under load) or if you are tuning for specific track conditions that require a richer fuel mixture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with my stock GX200 carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this jet is designed for standard clone engines like the GX200. It is a direct replacement for fine-tuning your fuel delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between this jet and the RLV substitute?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e WMS has discontinued their original line, so we provide high-quality RLV jets (SKU: RLVDJ34) that meet the exact specifications required for your clone engine, ensuring consistent performance and flow rates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this jet with the WMS Clone Jet Block?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this jet is designed to work seamlessly with standard clone carburetor setups, including the WMS Clone Jet Block base.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-jet-block-jets-not-included-ajbcl\"\u003eDurable WMS Clone Jet Block Base for Custom Drilled Jet Setups\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-039-99mm-single-rlvdj39\"\u003ePrecision WMS Clone Engine Jet .039 Inch 0.99mm Single for Optimal Fuel Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-037-94mm-single-rlvdj37\"\u003eEfficient Single WMS Clone Jet .037 (0.94mm) for Kart Engine Balance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wms-clone-engine-jet-035-89mm-single-rlvdj35\"\u003ePrecision Single WMS Clone Jet .035 (0.89mm) for Kart Fuel Control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wmsclse-wms-clone-valve-springs-engine-builder-pair-wmsclse\"\u003eWMS Engine Builder Clone Valve Springs Pair for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WMS","offers":[{"title":"Default Title","offer_id":52562721472830,"sku":"RLVDJ34","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-engine-jet-034-85mm-single-rlvdj34.jpg?v=1763114765"},{"product_id":"wms-clone-engine-jet-038-96mm-single-rlvdj38","title":"RLV RLVDJ38 Drilled Main Jet - .038\" (0.96mm) - 196cc Clone \/ GX200 Modified","description":"\u003cp\u003eSourcing the best racing go kart parts is the difference between leading the pack and fighting in the mid-field, and precision fuel delivery is where that competitive advantage begins. The RLV .038\" (0.96mm) drilled main jet is engineered specifically for high-demand 196cc Clone and Honda GX200 carburetors. When you are pushing your engine to the absolute limit, stock jetting simply cannot supply the necessary fuel volume to maintain a safe, powerful air\/fuel mixture. This single .038 jet provides the robust fuel flow required to eliminate top-end lean-out, ensuring your engine pulls hard all the way down the straightaway.\u003c\/p\u003e\u003ch2\u003eDialing In Your Setup: Beyond Karting Helmets and Shop Tires\u003c\/h2\u003e\u003cp\u003eTrack days require meticulous preparation. While most drivers remember to shop tires for optimal grip or upgrade their karting helmets for safety and aerodynamics, true racers know that races are won inside the carburetor. The kart must become an extension of the driver; the chassis, the engine, and the controls must feel like parts of us when we hit the apex. By utilizing this precision-drilled RLV jet (replacing the discontinued WMS line), you gain absolute authority over your engine's fuel curve. Track conditions, temperature, and humidity change rapidly, and having the exact .038\" jet in your toolbox allows for agile, trackside modifications to keep your engine in its peak powerband.\u003c\/p\u003e\u003ch2\u003eMaximizing Output: The .038\" Advantage\u003c\/h2\u003e\u003cp\u003eWhether you are running an unrestricted clone or a heavily modified GX200, fuel starvation is your worst enemy. While many racers focus heavily on maximizing briggs and stratton lo206 horsepower in other classes, the 196cc clone market demands equally precise jetting strategies to achieve maximum output. This .038\" (0.96mm) jet enriches the mixture just enough to cool the combustion chamber and provide that extra punch out of the corners.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Drilled .038\" (0.96mm) Orifice:\u003c\/strong\u003e Delivers exact, repeatable fuel flow for aggressive engine tuning and reliable combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect GX200 \u0026amp; 196cc Clone Fitment:\u003c\/strong\u003e Drops seamlessly into standard clone carburetors without requiring additional modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-RPM Stability:\u003c\/strong\u003e Prevents dangerous lean conditions and fuel starvation at maximum engine speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgile Trackside Modifications:\u003c\/strong\u003e Allows tuners to quickly adapt to changing weather, altitude, and track variables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRLV Manufacturing Quality:\u003c\/strong\u003e The industry-standard replacement for discontinued WMS clone jets, ensuring top-tier reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Air\/Fuel Ratio:\u003c\/strong\u003e Crucial for modified engines requiring higher fuel volume than restrictive stock jets can provide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Brass Construction:\u003c\/strong\u003e Resists corrosion from harsh racing fuels and additives, maintaining precise orifice integrity over time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStop leaving horsepower on the table. Secure your high-flow tuning setup today and ensure your kart is primed for the podium.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need a .038\" main jet for my Clone or GX200 engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If your engine is experiencing a \"lean\" condition—often characterized by sputtering, popping, or a lack of power at high RPMs—you likely need to increase your fuel flow. The .038\" jet is a common upgrade for modified engines that require more fuel than the stock jet can provide to maintain a safe air\/fuel ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all 196cc Clone carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this RLV jet is designed as a direct replacement for standard 196cc Clone and Honda GX200 carburetors. It drops in seamlessly without requiring modifications to the carburetor body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing the main jet size affect my engine's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The main jet controls the amount of fuel delivered at wide-open throttle. A larger jet (like the .038\") increases fuel volume, which helps cool the combustion chamber and prevents lean-out at high speeds. It is essential to monitor your spark plug color after installation to ensure your air\/fuel mixture is dialed in correctly for your specific track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this jet for stock class racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Always check your local track or series rulebook. While this jet is excellent for modified or unrestricted engines, some \"stock\" classes have strict regulations regarding carburetor components and jet sizes.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5007-rlv-clone-thick-flange-header-959-id-exf5007\"\u003eRLV EXF5007 Thick Flange Clone Header with 0.959 Inch ID for Power Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5434-rlv-thick-flange-clone-header-j-style-5434\"\u003eRLV Thick Flange J-Style Clone Header for Robust GX200 Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5435-rlv-clone-gx200-wide-power-band-j-style-header-5435\"\u003eRLV Wide Power Band J-Style Header for GX200 Clone Engines with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ebl1594-rlv-float-gauge-set-ebl1594\"\u003eRLV EBL1594 Briggs Carb Float Gauge Set - 5-Piece .010\" Increments - LO206 \/ Animal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4117-rlv-b-91-mini-muffler-this-fits-weiner-type-pipe-only-4117mm\"\u003eRLV B-91 Mini Muffler for Weiner-Type Clone Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562721997118,"sku":"RLVDJ38","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-engine-jet-038-96mm-single-rlvdj38.jpg?v=1763114771"},{"product_id":"wms-clone-engine-jet-041-1-04mm-single-rlvdj41","title":"High-Performance RLV WMS Clone Engine Jet .041 Inch 1.04mm Single Unit","description":"Imagine gaining a split-second advantage through meticulous fuel management— that's what this .041 inch (1.04mm) WMS Clone Engine Jet delivers, available as a single with RLV substitution due to WMS unavailability.\u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eEnhances throttle precision in restricted class races by controlling fuel precisely.\u003c\/li\u003e\n\u003cli\u003eFits seamlessly into GX200 Clone jet blocks for easy swaps and maintenance.\u003c\/li\u003e\n\u003cli\u003ePromotes cleaner burns, extending engine life while pushing top speeds higher.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor kart racers focused on consistency, this jet allows adjustments that adapt to track demands, from tight corners to long straights. It's a small component with big impacts on your overall setup's efficiency and speed. Keep your engine tuned sharp with this essential aftermarket piece. SKU: RLVDJ41.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .041 inch jet is the right size for my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Jet sizing depends on your specific engine build, air density, and track conditions. The .041 jet is commonly used in restricted clone classes to manage fuel flow; always check your class rulebook and monitor your spark plug color to ensure you are not running too lean or too rich.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with all GX200 clone carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this jet is designed to fit standard GX200 clone jet blocks. It is a direct replacement part for easy installation during routine carburetor maintenance or tuning sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I change my engine jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your jet whenever you perform carburetor cleaning or if you notice a change in engine performance. If you are racing in varying climates, keeping a selection of jet sizes on hand allows you to adapt your fuel-to-air ratio for optimal power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this jet for non-restricted classes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While it fits the hardware, this specific size is typically optimized for restricted class racing. Using it in an open or modified class may result in improper fuel delivery; always consult your engine builder for the correct jetting specifications for your specific setup.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5007-rlv-clone-thick-flange-header-959-id-exf5007\"\u003eRLV EXF5007 Thick Flange Clone Header with 0.959 Inch ID for Power Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5434-rlv-thick-flange-clone-header-j-style-5434\"\u003eRLV Thick Flange J-Style Clone Header for Robust GX200 Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5435-rlv-clone-gx200-wide-power-band-j-style-header-5435\"\u003eRLV Wide Power Band J-Style Header for GX200 Clone Engines with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5417c-restricted-classes-bottom-and-mid-5417c\"\u003e5417C Bottom and Mid Exhaust Header for Restricted Kart Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4117-rlv-b-91-mini-muffler-this-fits-weiner-type-pipe-only-4117mm\"\u003eRLV B-91 Mini Muffler for Weiner-Type Clone Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562722423102,"sku":"RLVDJ41","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-engine-jet-041-1-04mm-single-rlvdj41.jpg?v=1763114775"},{"product_id":"wms-clone-engine-jet-042-1-07mm-single-rlvdj42","title":"RLV GX200 Clone Drilled Main Jet - .042\" (1.07mm) - Modified Class","description":"\u003cp\u003eDialing in your air-to-fuel ratio is the most critical step in maximizing track performance, and integrating precision-machined go kart parts like the RLV .042\" (1.07mm) drilled main jet ensures your GX200 Clone engine achieves optimal mid-range torque. When you are pushing the limits of your powerband, fuel starvation or an overly rich mixture will instantly kill your exit speed. This .042-inch single jet is engineered to provide the exact volumetric flow required for modified and unrestricted 196cc to 212cc clone carburetors, eliminating the guesswork from your pit tuning sessions.\u003c\/p\u003e\n\n\u003ch2\u003ePrecision Fuel Delivery for High-Output Rotax Engines and Clones\u003c\/h2\u003e\n\u003cp\u003eWhile many top-tier racers spend countless hours dialing in their rotax engines, optimizing a GX200 Clone demands the exact same level of meticulous carburetor calibration. The RLV .042\" jet is specifically bored to 1.07mm, offering a highly targeted fuel optimization curve that prevents leaning out at high RPMs. By swapping to this specific jet size, engine builders can dramatically improve throttle response, ensuring that the engine breathes efficiently and translates every ounce of combustion into raw velocity.\u003c\/p\u003e\n\n\u003ch2\u003eMaximizing Performance Before Looking at a Go Kart Chassis for Sale\u003c\/h2\u003e\n\u003cp\u003eToo often, drivers blame their handling and start browsing for a new go kart chassis for sale when the real issue is sluggish engine acceleration out of the apex. A perfectly jetted carburetor transforms the entire dynamic of the kart. This single jet design seamlessly integrates with WMS jet blocks, allowing pit crews to maintain a highly organized, rapid-response tuning system. Whether you are running a heavy track or dealing with dense atmospheric conditions, having the exact .042\" jet on standby is a non-negotiable for serious race prep.\u003c\/p\u003e\n\n\u003ch2\u003eTranslating Engine Response to Your Kart Wheels\u003c\/h2\u003e\n\u003cp\u003ePower is useless if it doesn't smoothly transfer to your kart wheels. The enhanced mid-range torque provided by this 1.07mm jet ensures that when you roll onto the throttle, the power delivery is linear and aggressive. This prevents bogging and hesitation, allowing you to maintain traction and carry maximum momentum through technical sectors.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact .042\" (1.07mm) Bore:\u003c\/strong\u003e Precision-machined for accurate fuel metering and consistent air-to-fuel ratios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Mid-Range Torque:\u003c\/strong\u003e Prevents hesitation and bogging, delivering aggressive acceleration out of corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWMS Jet Block Compatible:\u003c\/strong\u003e Designed to fit perfectly into standard tuning blocks for rapid pit-lane swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Efficiency:\u003c\/strong\u003e Maximizes volumetric fuel delivery for modified GX200 and Predator 212 carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Jet Configuration:\u003c\/strong\u003e Simplifies your tuning inventory and reduces clutter in your trackside toolbox.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Brass Construction:\u003c\/strong\u003e Resists corrosion from race fuels and harsh chemical additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Throttle Response:\u003c\/strong\u003e Cures lean-out conditions at high RPMs for sustained top-end speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .042\" jet is the right size for my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .042\" (1.07mm) jet is typically used for modified or unrestricted GX200 and Predator 212 engines. If your engine is bogging at high RPMs, it may be running lean and require a larger jet; if it feels sluggish or \"heavy\" with black smoke, it may be running rich. Always perform plug chops to verify your air-to-fuel ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this jet compatible with stock carburetors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This jet is designed for modified applications. While it fits the physical dimensions of standard clone carburetor jet blocks, it provides a higher fuel flow than stock jets, which may cause a stock engine to run too rich.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I change my carburetor jet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should adjust your jetting based on atmospheric conditions (density altitude) and engine modifications. Keep a selection of jet sizes in your pit box to account for changes in air temperature and humidity, which directly affect how much fuel your engine requires for optimal combustion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean this jet if it gets clogged?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, but use caution. Avoid using wire or hard tools that could scratch the precision-bored interior, as this will alter the flow rate and ruin the calibration. Use a dedicated carburetor cleaner and compressed air to clear debris.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5007-rlv-clone-thick-flange-header-959-id-exf5007\"\u003eRLV EXF5007 Thick Flange Clone Header with 0.959 Inch ID for Power Gains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5434-rlv-thick-flange-clone-header-j-style-5434\"\u003eRLV Thick Flange J-Style Clone Header for Robust GX200 Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/5435-rlv-clone-gx200-wide-power-band-j-style-header-5435\"\u003eRLV Wide Power Band J-Style Header for GX200 Clone Engines with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4117-rlv-b-91-mini-muffler-this-fits-weiner-type-pipe-only-4117mm\"\u003eRLV B-91 Mini Muffler for Weiner-Type Clone Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/exf5030-rlv-clone-pipe-for-jr-drag-or-mini-bike-exf5030\"\u003eRLV EXF5030 Clone Pipe Optimized for Junior Drag and Mini Bike Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562722521406,"sku":"RLVDJ42","price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wmsclonejetsjetblock-wms-clone-engine-jet-042-1-07mm-single-rlvdj42.jpg?v=1763114776"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/wmsclonejetsjetblock-wms-clone-engine-jet-032-81mm-single-rlvdj32.jpg?v=1788985547","url":"https:\/\/swiftkarting.com\/collections\/wms-gx200-clone-jets-jet-block-kart-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}