{"product_id":"blue-line-fuel-valve-3-port-gy6-qmb139","title":"Blue Line 3-Port Frame Mount Fuel Petcock Valve: GY6\/QMB","description":"\u003ch2\u003eReliable Flow: Blue Line Vacuum-Operated 3-Port Fuel Valve\u003c\/h2\u003e\u003cp\u003eRestore your engine's fuel delivery system with the \u003cstrong\u003eBlue Line 3-Port Fuel Valve\u003c\/strong\u003e. Engineered as a direct OEM replacement for \u003cstrong\u003eGY6 139QMB and 157QMJ\u003c\/strong\u003e engines, the vacuum-actuated petcock ensures that fuel only flows when the engine is running. This critical safety feature prevents carburetor flooding and engine oil contamination, making it a vital component for the longevity of your 50cc or 150cc scooter.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum-Actuated Security:\u003c\/strong\u003e Automatically shuts off fuel flow when the engine stops, protecting your intake system from overflow and \"hydro-locking.\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Frame Mount:\u003c\/strong\u003e Specifically designed for scooters with frame-mounted fuel petcocks where the valve is secured via a single 6.5mm bolt hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Internal Diaphragm:\u003c\/strong\u003e Features a durable, fuel-resistant internal diaphragm that provides consistent pressure to the carburetor even under high-load conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Equivalent Quality:\u003c\/strong\u003e Part of the Blue Line series, offering factory-standard fitment and performance at a fraction of the cost of boutique brand parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis 3-port valve is a universal fit for almost all Chinese-manufactured scooters with engine codes containing \u003cstrong\u003e\"QM\" or \"FM\"\u003c\/strong\u003e:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Family\u003c\/th\u003e\n\u003cth\u003eCompatible Codes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50cc \/ 80cc (QMB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e139QMB, 139QMA, 1P39QMB, YN139QMB, BN139QMB, 147QMD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125cc \/ 150cc (QMJ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e157QMJ, 152QMI, 161QMK, JJ157QMJ, BN157QMJ, BN161QMK-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePopular Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Wolf, Icebear, Peace Sports, ZNEN, Bintelli, Jonway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVacuum-actuated: shuts off fuel automatically when engine stops\u003c\/li\u003e\n\u003cli\u003eFrame-mount design with single 6.5mm bolt hole\u003c\/li\u003e\n\u003cli\u003eHigh-flow fuel-resistant internal diaphragm\u003c\/li\u003e\n\u003cli\u003eFits GY6 139QMB, 157QMJ, and most QM\/FM engine codes\u003c\/li\u003e\n\u003cli\u003eOEM equivalent quality — cross-ref SKU 164-288\u003c\/li\u003e\n\u003cli\u003e3 ports: Fuel In, Fuel Out, Vacuum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Count:\u003c\/strong\u003e 3 Ports (Fuel In, Fuel Out, Vacuum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 6.5mm Bolt Hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Corrosion-Resistant Zinc Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Ref:\u003c\/strong\u003e Original Parts For Scooters SKU 164-288\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e If your scooter won't start or is leaking fuel into the airbox, a failed vacuum diaphragm is often the culprit.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Before installing, verify that your vacuum lines are crack-free; a vacuum leak will prevent this valve from opening.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eFitment Note:\u003c\/strong\u003e If your scooter has 4 ports, you need \u003cstrong\u003eSKU 164-84\u003c\/strong\u003e instead.\u003c\/blockquote\u003e\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1300-1156 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e BLUE LINE\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eBrands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more\u003c\/p\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":67964674441537,"sku":"1300-1156","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-12402-0-1300-1156_4e278b35-3b34-467c-893b-2b99932dd81d.jpg?v=1792558776","url":"https:\/\/azscooterparts.com\/products\/blue-line-fuel-valve-3-port-gy6-qmb139","provider":"AZScooterParts","version":"1.0","type":"link"}