{"product_id":"rear-axle-output-shaft-final-drive-shaft-gy50-qmb139","title":"Blue Line Rear Axle \/ Output Shaft for 139QMB 50cc | 133mm","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eA replacement rear axle (also called output shaft or final drive shaft) for 139QMB-based 50cc 4-stroke scooter engines. Fits Chicago Scooter Company go, go MAX, Bella Classic 50, Pug 50, and Nitro Sport 50, as well as any scooter running a 139QMB or compatible engine code. SKU: 151-55.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement rear axle \/ output shaft \/ final drive shaft\u003c\/li\u003e\n\u003cli\u003e20-spline ends for positive gear engagement\u003c\/li\u003e\n\u003cli\u003eFits 139QMB and compatible 50cc\/80cc 4-stroke engine codes\u003c\/li\u003e\n\u003cli\u003eSKU: 151-55\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement rear axle \/ output shaft \/ final drive shaft\u003c\/li\u003e\n\u003cli\u003e20-spline ends for positive gear engagement\u003c\/li\u003e\n\u003cli\u003eFits 139QMB and compatible 50cc\/80cc 4-stroke engine codes\u003c\/li\u003e\n\u003cli\u003eSKU: 151-55\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTotal Length: 133mm\u003c\/li\u003e\n\u003cli\u003eSplines: 20 (both ends)\u003c\/li\u003e\n\u003cli\u003eCenter Shaft Diameter: 27mm\u003c\/li\u003e\n\u003cli\u003eSmooth End Diameter: 17mm\u003c\/li\u003e\n\u003cli\u003eThread End Diameter: 16mm\u003c\/li\u003e\n\u003cli\u003eSKU: 151-55\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Engine Codes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNote:  There are many different output shafts on the market.   Shafts will vary by model to conform to OEM wheel size, single or dual suspension, etc.  MEASURE your output shaft prior to ordering to make sure this is compatible.\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"4\"\u003e139QMB Engine Codes\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMA\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN139QMB\u003c\/td\u003e\n\u003ctd\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd\u003e139FMA-2\u003c\/td\u003e\n\u003ctd\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN139QMB\u003c\/td\u003e\n\u003ctd\u003e147QMD\u003c\/td\u003e\n\u003ctd\u003eOther QMA models\u003c\/td\u003e\n\u003ctd\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChicago Scooter Company \u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTaoTao\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJonway\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZNEN\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWolf Brand Scooters\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMS\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIcebear\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBintelli\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSR Motorsports\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSchwinn\u003c\/td\u003e\n\u003ctd\u003e139QMB 50cc models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e139QMB\/QMA 50cc 4-stroke scooters w\/ 133mm shafts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\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=15\"\u003eBELLA CLASSIC 50 GEAR BOX\u003c\/a\u003e \u003cspan\u003eCallout 8\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=154\"\u003eGO MAX GEAR BOX\u003c\/a\u003e \u003cspan\u003eCallout 8\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=3\"\u003eQMB139 GEAR BOX\u003c\/a\u003e \u003cspan\u003eCallout 8\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964558999873,"sku":"1100-1324","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/1100-1324_adbb157a-a4a5-4f04-a3eb-3583a34d43e6.jpg?v=1792793691","url":"https:\/\/azscooterparts.com\/products\/rear-axle-output-shaft-final-drive-shaft-gy50-qmb139","provider":"AZScooterParts","version":"1.0","type":"link"}