{"product_id":"belt-669x18x30-gy50-qmb139-chinese-scooters","title":"Blue Line 669-18-30 CVT Drive Belt - 139QMB 50cc Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eBlue Line 669-18-30 CVT Drive Belt\u003c\/strong\u003e is a replacement belt for 139QMB short-case 50cc 4-stroke scooters with 10-inch wheels, including the CSC Go, Go MAX, Pug 50, Nitro Sport 50, and Bella Classic 50. The 139QMB is based on the Honda GY6 design. The belt has aramid cord reinforcement and a nylon-faced cogged underside for strength, heat resistance, and quieter running. Replace yours if it's cracked, glazed, frayed, or snapped.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAramid cord reinforcement:\u003c\/strong\u003e Built for strength and heat resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCogged design:\u003c\/strong\u003e Nylon-faced teeth help it run quieter and flex more easily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloroprene rubber core:\u003c\/strong\u003e Durable and wear resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fit:\u003c\/strong\u003e The 669-18-30 size fits short-case 139QMB engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 1200-1187\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt size:\u003c\/strong\u003e 669-18-30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircumference:\u003c\/strong\u003e 669mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAngle:\u003c\/strong\u003e 30°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Aramid cord, chloroprene rubber, nylon tooth fabric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blue Line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand \/ Engine\u003c\/th\u003e\n\u003cth\u003eModels \/ Engine Codes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSC (Chicago Scooter Company)\u003c\/td\u003e\n\u003ctd\u003eGo, Go MAX, Pug 50, Nitro Sport 50, Bella Classic 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMB \/ 139QMA short-case 50cc (based on Honda GY6)\u003c\/td\u003e\n\u003ctd\u003e139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, BD1P39QMB, BN139QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eCheck the belt size printed on your old belt before ordering. Long-case 139QMB engines with 12-inch wheels use a longer belt (729mm).\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=266\"\u003eGO MAX TRANSMISSION\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=27\"\u003eBELLA CLASSIC 50 TRANSMISSION\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":67964576235841,"sku":"1200-1187","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/1200-1187_8392cf8e-fc48-4b51-bea8-810cea8f4aa5.jpg?v=1792793713","url":"https:\/\/azscooterparts.com\/products\/belt-669x18x30-gy50-qmb139-chinese-scooters","provider":"AZScooterParts","version":"1.0","type":"link"}