{"product_id":"5mm-cvk-scooter-carburetor-main-jet-kit-10-pieces","title":"5mm CVK Scooter Carburetor Main Jet Kit - 10 Pieces","description":"\u003ch2\u003e5mm Main Jet Kit for GY6 and CN250 CVK Carburetors\u003c\/h2\u003e\u003cp\u003eThis 5mm main jet kit is designed for GY6 and CN250 CVK carburetors, featuring ten different jet sizes: #100, #105, #108, #110, #113, #115, #120, #125, #130, and #140. It is important to ensure proper jetting for your engine’s performance, as it can significantly affect fuel delivery and efficiency. This kit is one of the necessary components for tuning \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e. For best results, refer to available guides on jetting for specific advice.\u003c\/p\u003e\u003ch3\u003eConstruction Details\u003c\/h3\u003e\u003cp\u003eThe jets in this kit are made in the Keihin round style, ensuring a reliable fit and function. Each jet is manufactured with precision to facilitate accurate fuel flow adjustments. The thread size measures M5x0.80, and each jet has a total length of 8mm, making them easy to install into compatible carburetors.\u003c\/p\u003e\u003ch3\u003eWhen to Upgrade Your Jets\u003c\/h3\u003e\u003cp\u003eReplacing the main jets is necessary when modifying your engine or if you're experiencing performance issues. Changes in air intake, exhaust, or other performance upgrades may require different jet sizes to ensure that the engine runs smoothly and efficiently. Regularly assess your scooter's performance to determine if jet replacement is needed.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M5x0.80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJet Sizes:\u003c\/strong\u003e #100, #105, #108, #110, #113, #115, #120, #125, #130, #140\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis main jet kit is compatible with 157QMJ-based engines, including various models such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e157QMJ\u003c\/li\u003e\n\u003cli\u003e161QMK\u003c\/li\u003e\n\u003cli\u003e152QMI\u003c\/li\u003e\n\u003cli\u003e1P61QMK\u003c\/li\u003e\n\u003cli\u003eYN1P57QMJ\u003c\/li\u003e\n\u003cli\u003e1P52FMI\u003c\/li\u003e\n\u003cli\u003e154FMI\u003c\/li\u003e\n\u003cli\u003eJJ157QMJ\u003c\/li\u003e\n\u003cli\u003e1P57QMJ\u003c\/li\u003e\n\u003cli\u003eBN157QMJ\u003c\/li\u003e\n\u003cli\u003eBN161QMK-A\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf your engine code features \"QM\" or \"FM\" and operates with a CVK carburetor, this kit is likely suitable for your vehicle.\u003c\/p\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-carburetors\"\u003eScooter Carburetors \u0026amp; Jets\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Magic Cars","offers":[{"title":"Default Title","offer_id":52800283640039,"sku":"25-911950","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/5mm-cvk-carburetor-main-jet-kit-10-pieces-1.jpg?v=1791665140","url":"https:\/\/www.magiccars.com\/products\/5mm-cvk-scooter-carburetor-main-jet-kit-10-pieces","provider":"MagicCars","version":"1.0","type":"link"}