{"product_id":"cvk-main-jet-127-for-scooters-mopeds","title":"Cvk Main Jet (# 127) for Scooters \u0026 Mopeds","description":"\u003ch2\u003eMain Jet #127 for 139QMB and GY6 Scooters\u003c\/h2\u003e\u003cp\u003eThe #127 main jet suits 139QMB and GY6 scooters and mopeds, and it will work with nearly any CVK carburetor that has a 5mm main jet slot. It plays a central role in controlling fuel flow to the engine, so it affects how your vehicle runs. You can find it alongside other \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e that may help with performance. Expect to experiment a little to get the best result, and refer to jetting instructions for direction.\u003c\/p\u003e\u003ch3\u003eBuild and Specifications\u003c\/h3\u003e\u003cp\u003eThis jet uses a Keihin round design, so it fits a range of scooter models. It has an M5x0.80 thread and measures 8mm overall in length. It is manufactured to firm quality standards, which makes it a dependable pick for scooter owners.\u003c\/p\u003e\u003ch3\u003eFitting and Tuning\u003c\/h3\u003e\u003cp\u003eTo fit it, take out the current jet and screw in this replacement. A snug, correct seating matters for smooth engine operation. You may need to make small adjustments to reach the fuel mixture you want, something riders commonly do when fine-tuning an engine.\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\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD engines (50cc\/80cc)\u003c\/li\u003e\n\u003cli\u003eOther QMA and QMB engines (50cc\/80cc)\u003c\/li\u003e\n\u003cli\u003e157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A engines (125cc\/150cc\/169cc)\u003c\/li\u003e\n\u003cli\u003eOther QMJ, QMK and QMI engines (125cc\/150cc\/169cc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick a CVK carburetor with a 5mm main jet slot, and confirm the jet has an M5x0.80 thread and 8mm overall length. Tuning takes some trial and error.\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":51138616262713,"sku":"TT-26425","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/cvk-main-jet-127-1.jpg?v=1794376401","url":"https:\/\/www.trendtimes.com\/products\/cvk-main-jet-127-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}