{"product_id":"gy6-2-port-fuel-valve-unef-extra-fine-threads","title":"GY6 2 Port Fuel Valve (UNEF \"Extra Fine\" Threads)","description":"\u003ch2\u003eGY6 2 Port Fuel Valve for 50cc 139QMB Bikes\u003c\/h2\u003e\u003cp\u003eThis two-port fuel valve works as a drop-in substitute for the factory petcock on 50cc 139QMB scooters. Its UNEF extra fine threads allow it to seat accurately. Keeping fuel moving correctly through the scooter depends on this component. It is among the \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e that owners commonly swap out to keep the machine running well.\u003c\/p\u003e\u003ch3\u003eBuild and Layout\u003c\/h3\u003e\u003cp\u003eThe valve has a zinc plated finish. A plastic filter, 63.5 mm long, sits inside to help keep fuel free of particles. The black oil seal measures 8mm across the inner diameter and 14.5mm across the outer diameter, which helps create a tight seal against leaks.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eFuel dripping or fuel flow that comes and goes are good reasons to swap the valve. Checking it routinely can catch problems early, before they hurt how your scooter runs. This piece plays a real role in keeping the fuel system working efficiently.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Zinc Plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M16X1.0 (Extra Fine Threads)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic Filter Length:\u003c\/strong\u003e 63.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oil Seal Dimensions:\u003c\/strong\u003e 8mm ID x 14.5mm OD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc and 80cc 139QMB-based 2-stroke engines (engine codes listed)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 50cc 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD engines\u003c\/li\u003e\n\u003cli\u003eGY6 other QMA and QMB engines (engine code includes \"QM\" or \"FM\")\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Match the thread size on your old petcock: M16x1.0 (extra fine threads).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-heads\"\u003eScooter Cylinder Heads \u0026amp; Valves\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-fuel-system\"\u003eScooter Fuel System Parts\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":51135961464889,"sku":"TT-17215","price":5.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/2-port-fuel-valve-unef-extra-fine-threads-for-gy6-1.jpg?v=1794350606","url":"https:\/\/www.trendtimes.com\/products\/gy6-2-port-fuel-valve-unef-extra-fine-threads","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}