{"product_id":"cvk-main-jet-136-for-scooters-mopeds","title":"Cvk Main Jet (# 136) for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet (#136) for 139QMB and GY6 Scooters\u003c\/h2\u003e\u003cp\u003eThis main jet is specifically designed for 139QMB and GY6 scooters, providing a necessary component for tuning engine performance. It is compatible with various vehicles utilizing a 5mm jet opening in a CVK carburetor. Proper jetting may require some testing to achieve the best results. This part is one of the key \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e for ensuring efficient fuel delivery.\u003c\/p\u003e\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\u003cp\u003eThis part features a Keihin round-style main jet that has an overall length of 8mm and a thread size of M5x0.80. Manufactured to meet strict quality standards, it is a reliable component for maximizing your scooter's performance. Be sure to select the correct jet size based on your engine specifications.\u003c\/p\u003e\u003ch3\u003eCompatibility Overview\u003c\/h3\u003e\u003cp\u003eThe main jet is suited for various engines with 50cc, 125cc, 150cc, and 169cc displacements. If your engine identification contains \"QM\" or \"FM\" and utilizes a 5mm jet opening in a CVK carburetor, this jet should fit your vehicle as well. Its compatibility across multiple models ensures widespread use.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Keihin round-style main jet\u003c\/li\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\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis main jet is suitable for engines based on the 139QMB and 157QMJ platforms. It fits a range of models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e139QMB-based engines: 139QMA, 1P39QMB, 1P39QMA-2\u003c\/li\u003e\n\u003cli\u003e157QMJ-based engines: 161QMK, 152QMI, 1P61QMK\u003c\/li\u003e\n\u003c\/ul\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":52800352911591,"sku":"25-914491","price":3.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/cvk-main-jet-136-1.jpg?v=1791665689","url":"https:\/\/www.magiccars.com\/products\/cvk-main-jet-136-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}