{"product_id":"novino-carburetor-jet-kit-for-pwk-cvk-pe-40pcs-brass-main-pilot-jets-multi-thread-fit","title":"NOVINO Carburetor Jet Kit for PWK CVK PE – 40PCS Brass Main \u0026 Pilot Jets, Multi‑thread Fit","description":"\u003cp\u003e\u003cstrong\u003eNOVINO 40PCS Carburetor Jet Kit supplies a full range of brass main and slow pilot jets tailored to PWK, CVK and PE-type carburetors for precise fuel tuning.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit groups 30 main jets and 10 slow pilot jets in common sizes, with three thread fits to match a wide range of small-engine carburetors. All pieces are solid brass for corrosion resistance and straightforward installation; the set covers popular jets used on scooters, ATVs, karts and GY6-based motorcycles so you can dial fuel delivery for different displacements and modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich carburetors and engines will these jets fit?\u003c\/h3\u003e\n\u003cp\u003eThe NOVINO kit is made for PWK, CVK and PE-style carburetors and fits many OKO, KOSO, Stage-6 and Polini components. It’s designed to work with typical small-displacement machines such as 125cc–250cc scooters, ATVs and karts, but thread sizes vary so check compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits PWK, CVK, PE-type carburetors and many OKO\/KOSO models\u003c\/li\u003e\n  \u003cli\u003eSuitable for 125cc, 150cc, 200cc and 250cc GY6 engines and similar\u003c\/li\u003e\n  \u003cli\u003eNot compatible with CV, VE and CVK carburetors above 30 mm throat diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and thread types are included?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains both slow pilot jets (#32–#55) and two groups of main jets (#100–#140 and #155–#178), each with specific thread pitches and nut diameters. This gives tuners the range needed to lean out or richen mixtures across common carburetor throat sizes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlow pilot jets: #32, 35, 38, 40, 42, 45, 48, 50, 52, 55 — thread 6 x 0.75 mm, length 28 mm\u003c\/li\u003e\n  \u003cli\u003eMain jets group 1: #100–#140 (10 sizes) — thread 4.7 x 2.5 mm, nut Ø 5.7 mm\u003c\/li\u003e\n  \u003cli\u003eMain jets group 2: #155–#178 (10 sizes) — thread 5 x 0.8 mm, thread length 5 mm, nut Ø 6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this kit help with tuning and performance adjustments?\u003c\/h3\u003e\n\u003cp\u003eHaving a broad selection of jets lets you experiment to find optimal air–fuel mixtures after modifications like different exhausts, air filters or altitude changes. Swapping to a slightly larger or smaller main or pilot jet is a primary way to correct lean or rich running without costly parts changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSwitch main jets for high-speed or load-related fueling changes\u003c\/li\u003e\n  \u003cli\u003eAdjust slow pilot jets to refine idle, low-throttle response and off-idle behavior\u003c\/li\u003e\n  \u003cli\u003eSaves time by offering many step sizes for trial-and-error tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and package details?\u003c\/h3\u003e\n\u003cp\u003eJets are machined from solid brass for durability and stable thread engagement; brass also resists corrosion in fuel-exposed environments. The kit ships with 40 total pieces: 30 main jets and 10 slow pilot jets, each size intended for quick identification during tuning sessions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 brass jets: 30 main jets + 10 slow pilot jets\u003c\/li\u003e\n  \u003cli\u003ePrecise machining for consistent thread fit and flow orifice sizes\u003c\/li\u003e\n  \u003cli\u003eReplaces common part numbers used in aftermarket carburetor kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: the NOVINO 40PCS Carburetor Jet Kit is aimed at mechanics, racers and DIY enthusiasts who tune small-displacement engines — scooters, ATVs, karts and light motorcycles — and need a comprehensive, cost-effective selection of jets to match different carburetors and riding conditions. If you frequently modify intake or exhaust components, ride across varying altitudes, or rebuild carburetors, this kit gives the range and thread variety required to test and set the correct fuel delivery.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these jets fit my PWK 28 mm carburetor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes main jets in the #155–#178 range specifically suited for PWK 28–42 mm throats.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many pilot and main jets are included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set contains 40 brass jets total: 10 slow pilot jets and 30 main jets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NOVINO","offers":[{"title":"Default Title","offer_id":67594197303481,"sku":"B09XH2N23J","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/novino-front-collection.jpg?v=1790582245","url":"https:\/\/redleafauto.ca\/products\/novino-carburetor-jet-kit-for-pwk-cvk-pe-40pcs-brass-main-pilot-jets-multi-thread-fit","provider":"Redleaf Auto","version":"1.0","type":"link"}