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Fits NCY Big Bore Kit #1100-1265
Roughhouse
Engineered for durability and high-heat tolerance
Vented Clutch Bell: Drilled and lightened for superior heat dissipation and grip
Pre-assembled with shoes and springs
Final Drive Gear; 139QMB plastic Fits NCY Big Bore KitThis final drive gear fits CSC go, go MAX, and Pug50 scooters, as well as bikes running 139QMB engines. Original Parts For Scooters SKU 151 272 51t Specifications: Number of Splines: 19 Inner Diameter (splines peak to peak): 18mm Thickness: 15. 7mm Compatibility: Chicago Scooter Company go Chicago Scooter Company go MAX Chicago Scooter Company Pug50 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2
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