{"product_id":"flywheel-csc-go-qmb139-scooters","title":"CSC 8-Magnet Flywheel - go. \u0026 139QMB Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eChicago Scooter Company eight-magnet flywheel\u003c\/strong\u003e is a replacement rotor for CSC go., Genuine Bella Classic 50, Pug 50, Nitro Sport 50, and compatible 139QMB-based scooters. Get your scooter's electrical system back in working order with a stock-replacement flywheel that works with the matching stator. Factory balanced for smooth rotation, it features a metal rotor body, a keyed center mounting bore, and a 110mm outer diameter. The stator is sold separately.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory balanced:\u003c\/strong\u003e Balanced for smooth rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock-replacement application:\u003c\/strong\u003e Replaces the flywheel on the compatible scooters below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight-magnet design:\u003c\/strong\u003e Works with the matching stator in your scooter's electrical system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyed mounting bore:\u003c\/strong\u003e Features a cut-out keyway for alignment on the crankshaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefined fit-check dimensions:\u003c\/strong\u003e 90mm inner diameter and 110mm outer diameter help you compare against the original rotor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel only:\u003c\/strong\u003e Stator is not included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Chicago Scooter Company (CSC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 0900-4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 3131003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal Parts For Scooters reference:\u003c\/strong\u003e 151-138\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Flywheel \/ magneto rotor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance:\u003c\/strong\u003e Factory balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet count:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 90mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 110mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread size:\u003c\/strong\u003e M24x1.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting bore:\u003c\/strong\u003e Keyed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStator:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eModels or engine codes\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\u003ego.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenuine\u003c\/td\u003e\n\u003ctd\u003eBella Classic 50; Nitro Sport 50; Pug 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMB-based 50cc \/ 80cc engines\u003c\/td\u003e\n\u003ctd\u003e139QMA; 139QMB; 1P39QMB; 1P39QMA-2; YN139QMB; JJ1P39QMB; 139FMA-2; BD1P39QMB; BN139QMB; 147QMD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther QMA \/ QMB applications\u003c\/td\u003e\n\u003ctd\u003eConfirm the original flywheel and stator configuration match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eCheck the engine code stamped on your scooter before ordering. Engines marked with a listed code may use this flywheel, but verify the 90mm inner diameter, 110mm outer diameter, M24x1.00 thread, keyed mounting bore, and stator configuration against the original part. A code containing “QM” or “FM” alone is not enough to confirm fitment.\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=10\"\u003eBELLA CLASSIC 50 FLYWHEEL AND COVER\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=7\"\u003eQMB139 FLYWHEEL \u0026amp; COVER\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=75\"\u003eGO MAX FLYWHEEL COVER\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964648522049,"sku":"0900-4000","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-10140-0-0900-4000_6c108e2a-4685-43b9-a949-dddca8aba894.jpg?v=1792558043","url":"https:\/\/azscooterparts.com\/products\/flywheel-csc-go-qmb139-scooters","provider":"AZScooterParts","version":"1.0","type":"link"}