{"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 made for 139QMB and GY6 scooters and serves as a useful part for adjusting engine tuning. It works with a range of vehicles that use a 5mm jet opening in a CVK carburetor. Finding the optimal setting may take some trial and error. You can browse more \u003ca href=\"\/collections\/scooter-carburetors\"\u003ecarburetor and jet options\u003c\/a\u003e to help keep fuel flow working efficiently.\u003c\/p\u003e\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\u003cp\u003eThis jet is a Keihin round-style main jet measuring 8mm overall, with an M5x0.80 thread. It is built to a solid quality standard and is a dependable choice for getting the most from your scooter. Choose the jet size that matches your engine's requirements.\u003c\/p\u003e\u003ch3\u003eCompatibility Overview\u003c\/h3\u003e\u003cp\u003eThis main jet suits a variety of engines in the 50cc, 125cc, 150cc, and 169cc range. If your engine code includes \"QM\" or \"FM\" and uses a 5mm jet opening in a CVK carburetor, this jet should also be a match. Its fit across several models makes it a versatile option.\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\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 139QMB-based 50cc\/80cc GY6 engines and 157QMJ-based 125cc\/150cc\/169cc engines with a 5mm main jet slot CVK\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e139QMB-based 50cc\/80cc engines (codes 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD)\u003c\/li\u003e\n\u003cli\u003eOther QMA and QMB models (50cc\/80cc)\u003c\/li\u003e\n\u003cli\u003e157QMJ-based 125cc\/150cc\/169cc engines (codes 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A)\u003c\/li\u003e\n\u003cli\u003eOther QMJ, QMK and QMI models (125cc\/150cc\/169cc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Use it on any engine with a 5mm main jet slot in a CVK carburetor, and select the jet size that suits your engine's tuning needs.\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":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138612199481,"sku":"TT-26418","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/cvk-main-jet-136-1.jpg?v=1794376393","url":"https:\/\/www.trendtimes.com\/products\/cvk-main-jet-136-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}