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Fine-tune your CVT transmission's shift point and eliminate belt slip with the NCY 1500 RPM Contra / Compression Spring for GY6 engines
Like 125/150 (GY6)
Nitro Sport 50
it offers a bold
NCY 72cc Big Bore Piston & Cylinder Kit - Yamaha, Genuine 2T italjet Fine-tune your CVT transmission's shiftUnlock 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
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