{"product_id":"40-piece-carburetor-main-slow-jet-kit-pwk-cvk-pe-oko-koso","title":"40-Pc Carburetor Main \u0026 Slow Jet Kit – PWK CVK PE OKO KOSO","description":"\n\u003ch2\u003e40-Piece Carburetor Main \u0026amp; Slow Jet Kit for PWK, CVK, PE, OKO \u0026amp; KOSO Carbs\u003c\/h2\u003e\n\u003cp\u003eKeep your scooter, ATV, or kart running at peak performance with this comprehensive \u003cstrong\u003e40-piece carburetor jet kit\u003c\/strong\u003e. Featuring a wide assortment of alloy metal main jets and slow jets, this kit gives you the tuning flexibility to dial in the perfect air-fuel mixture for your 125cc, 150cc, 200cc, or 250cc GY6-powered machine. Whether you're fine-tuning for a new exhaust, air filter upgrade, or altitude change, having the right jet on hand saves time and money.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes 40 pcs carburetor main jets + 30 pcs slow jets — a wide range of sizes in one convenient set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Alloy Metal Construction:\u003c\/strong\u003e Precision-machined from quality alloy metal for consistent fuel flow and long-lasting performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Fits PWK, CVK, and PE type carburetors, as well as OKO, KOSO, Stage-6, Polini, and similar aftermarket carbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGY6 Engine Friendly:\u003c\/strong\u003e Compatible with most scooters, ATVs, and karts fitted with 125cc, 150cc, 200cc, and 250cc GY6 motors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Tuning:\u003c\/strong\u003e Having multiple jet sizes on hand means you can swap jets quickly to optimise throttle response and fuel efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 40 pcs Carburetor Main Jets + 30 pcs Slow Jets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Carburetors:\u003c\/strong\u003e PWK, CVK, PE, OKO, KOSO, Stage-6, Polini \u0026amp; more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Engines:\u003c\/strong\u003e 125cc, 150cc, 200cc, 250cc GY6 motors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cp\u003eThis jet kit is designed for use with the following carburetor types and engine platforms:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePWK Carburetors (Keihin-style)\u003c\/li\u003e\n  \u003cli\u003eCVK Carburetors (Constant Velocity)\u003c\/li\u003e\n  \u003cli\u003ePE Type Carburetors\u003c\/li\u003e\n  \u003cli\u003eOKO, KOSO, Stage-6, Polini Aftermarket Carbs\u003c\/li\u003e\n  \u003cli\u003eGY6 125cc \/ 150cc \/ 200cc \/ 250cc Scooters, ATVs \u0026amp; Karts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to different monitor settings and lighting, actual colour may vary slightly from images shown.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a 1–3 cm (approx. 0.39\"–1.18\") measuring deviation due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-drive-wheel-protector-impact-socket-set-storage-case\"\u003e1\/2\" Drive Wheel Protector Impact Socket Set + Storage Case\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-tool\"\u003e1\/4\" Hex Shank Wire Twister Drill Attachment | Rebar Tie Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-2-5mm-hss-twist-drill-bits-micro-straight-shank-set\"\u003e10-Pack 2.5mm HSS Twist Drill Bits – Micro Straight Shank Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more on carburetor tuning and small engine maintenance, visit the EPA Small Engine Emission Standards for guidance on keeping your engine compliant and efficient.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What carburetors are compatible with this 40-piece carburetor jet kit?\u003c\/h4\u003e\n\u003cp\u003eA: This jet kit is compatible with PWK, CVK, and PE type carburetors, as well as popular aftermarket brands including OKO, KOSO, Stage-6, and Polini. It fits most scooters, ATVs, and karts running 125cc, 150cc, 200cc, and 250cc GY6 motors.\u003c\/p\u003e\n\u003ch4\u003eQ: How many jets are included in the carburetor main jet kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes a total of 70 pieces — 40 carburetor main jets and 30 slow jets — covering a broad range of sizes so you can easily tune your carb for optimal performance.\u003c\/p\u003e\n\u003ch4\u003eQ: What material are the carburetor jets made from?\u003c\/h4\u003e\n\u003cp\u003eA: The jets are precision-machined from durable alloy metal, ensuring consistent fuel flow, accurate metering, and long-lasting reliability even under regular use and heat cycling.\u003c\/p\u003e\n\u003ch4\u003eQ: Why would I need different sized carburetor jets?\u003c\/h4\u003e\n\u003cp\u003eA: Different riding conditions, altitudes, temperatures, and engine modifications (such as exhaust or air filter upgrades) require different fuel-flow rates. Having a full assortment of jet sizes allows you to fine-tune the air-fuel mixture for the best throttle response, efficiency, and overall engine performance.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What carburetors are compatible with this 40-piece carburetor jet kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This jet kit is compatible with PWK, CVK, and PE type carburetors, as well as popular aftermarket brands including OKO, KOSO, Stage-6, and Polini. 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