{"product_id":"crankshaft-16-tooth-qmb139-1100-1304","title":"Crankshaft (16 Tooth); 139QMB","description":"\u003cp\u003eThis OEM replacement crankshaft assembly fits 139QMB engines with 16 tooth oil pump drives. Main bearings are installed.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-19\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStroke: 41.4mm\u003c\/li\u003e\n\u003cli\u003eOverall Length: 247mm\u003c\/li\u003e\n\u003cli\u003eThread Size (tapered side): M10x1.25\u003c\/li\u003e\n\u003cli\u003eThread Size (spline side): M12x1.25\u003c\/li\u003e\n\u003cli\u003eBearing Outer Diameter (tapered side): 42mm\u003c\/li\u003e\n\u003cli\u003eBearing Outer Diameter (spline side): 47mm\u003c\/li\u003e\n\u003cli\u003eNumber of Splines: 26\u003c\/li\u003e\n\u003cli\u003eNumber of Teeth (oil pump drive gear): 16\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 81.2px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.55px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Scooterworks:\u003c\/strong\u003e Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756557422872,"sku":"1100-1304","price":51.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1304_24bcc41b-010c-4859-b3de-e58a3e3bfb45.jpg?v=1695269248","url":"https:\/\/www.scooterworks.com\/products\/crankshaft-16-tooth-qmb139-1100-1304","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}