NCY 72cc Big Bore Piston & Cylinder Kit - Yamaha, Genuine 2T scooter performance Carburetor Tuning: Increasing exhaust flow

Carburetor Tuning: Increasing exhaust flow requires more fuel

VESPA GT 200 (Grimeca) 05-09 Front - Rear

Eliminate clutch slip and restore crisp

Direct Fit: Designed specifically for Honda Ruckus — all model years

GT Series: GT 150

NCY 72cc Big Bore Piston & Cylinder Kit - Yamaha, Genuine 2T scooter performance Carburetor Tuning: Increasing exhaust flowUnlock more power from your 50cc 2 stroke scooter with the NCY 72cc Big Bore Kit. Designed as a direct bolt on upgrade for Minarelli horizontal engines, this kit delivers a noticeable bump in displacement, throttle response, and top end pull all without major engine modifications. Ideal for riders looking to breathe new life into a Genuine Buddy 50, Yamaha Zuma, or any compatible Chinese 2T platform. Key Features 72cc displacement upgrade from stock