{"product_id":"cvk-idle-jet-37-for-scooters-mopeds","title":"CVK Idle Jet #37 for Scooters \u0026 Mopeds","description":"\u003ch2\u003eCVK Idle Jet #37 for GY6 and 139QMB Engines\u003c\/h2\u003e\u003cp\u003eThe CVK Idle Jet #37 is made for CVK and PWK series carburetors and works with 139QMB and GY6 engines. It controls the fuel-air blend at idle, which affects how well the engine runs. Owners frequently replace it as part of their \u003ca href=\"\/collections\/scooter-carburetors\"\u003erange of carburetor jets and parts\u003c\/a\u003e when keeping the engine running correctly.\u003c\/p\u003e\u003ch3\u003ePerformance and Functionality\u003c\/h3\u003e\u003cp\u003eThis idle jet helps the engine run smoothly at low speeds. Within the carburetor, it supports a steady idle, which matters most on scooters and mopeds. If the engine idles roughly or cuts out, swapping the idle jet may fix the problem.\u003c\/p\u003e\u003ch3\u003eInstallation and Compatibility\u003c\/h3\u003e\u003cp\u003eFitting a new idle jet is simple and usually means taking the carburetor off the engine. Clean the carburetor well before reinstalling it so debris does not interfere with how it runs. The CVK Idle Jet #37 suits several engine codes, so it works across a variety of scooter models.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJet Size:\u003c\/strong\u003e #37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M6x0.75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis idle jet fits 139QMB-based 50cc \/ 80cc engines and 157QMJ-based 125cc \/ 150cc \/ 169cc engines. The specific engine codes it matches are listed below:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e139QMB: 139QMA; 1P39QMB; 1P39QMA-2\u003c\/li\u003e\n\u003cli\u003eYN139QMB: JJ1P39QMB; 139FMA-2; BD1P39QMB\u003c\/li\u003e\n\u003cli\u003eBN139QMB: 147QMD; Other QMA models; Other QMB models\u003c\/li\u003e\n\u003cli\u003e157QMJ: 161QMK; 152QMI; 1P61QMK\u003c\/li\u003e\n\u003cli\u003eYN1P57QMJ: 1P52FMI; 154FMI; JJ157QMJ\u003c\/li\u003e\n\u003cli\u003e1P57QMJ: BN157QMJ; BN161QMK-A; Other QMJ, QMK, and QMI models\u003c\/li\u003e\n\u003c\/ul\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":51134447910969,"sku":"TT-15747","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/cvk-idle-jet-37-1.jpg?v=1794344069","url":"https:\/\/www.trendtimes.com\/products\/cvk-idle-jet-37-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}