NCY Gen 4 Performance Clutch 107mm: Yamaha Zuma 50

Upgrade your CVT drivetrain with the NCY Generation 4 Performance Lightened Clutch — a high-revving 107mm racing clutch assembly finished in signature green. Shedding rotational mass with extra-lightweight pillow blocks and high-friction heat-stabilized pads, this clutch lets your engine spool into peak power faster for crisper throttle response and punchier launches off the line. Key Features Lightened Pillow Blocks: Reduces rotational mass for immediate throttle response and faster RPM spooling. High-Friction Pad Formulation: Specially blended composite eliminates takeoff shudder and slip-glaze. Pre-Tuned Spring Calibration: Ships with 2000 RPM red sport clutch springs for optimized high-performance launch. Signature Green Coating: Durable finish protects against corrosion and road debris. Consistent torque transfer without fade under extreme operating temperatures. Technical Specifications Clutch Nominal Diameter: 107mm Internal Core Diameter (ID): 24mm External Pad Assembly Diameter (OD): 108mm Total Block Height (H): 27mm Spring Configuration: 3 x Red Performance Springs (2000 RPM threshold) Weighting System: 3 x Green Balanced Clutch Weights SKU: 1200-1203 Compatibility Direct-fit or sport drivetrain upgrade for 50cc–100cc two-stroke and four-stroke engines. Engine Group / Brand Compatible Applications Yamaha (Minarelli 2-Stroke) Zuma 50 (2002–2011 Bug-Eye), Zuma 50 FX / Naked (4-Stroke 2012+), Vino 50 2T, Jog, Axis, Breeze Genuine Scooter Co. Buddy 50, RoughHouse 50, Black Cat 50, Rattler 50 GY6 50cc (QMB139) TaoTao, Wolf Brand, Ice Bear, Bintelli, Lance, Jonway 4-stroke 50cc models (107mm conversion) Piaggio, Vespa & Honda Vespa LX 50, Primavera 50, Sprint 50, Piaggio Fly 50, Typhoon 50; Honda Dio, Elite 50 (verify 107mm bell pairing) CPI & Keeway Oliver 50, Aragon 50, Hussar, Popcorn, Matrix 50 (horizontal 2-stroke variants) Minarelli Measurement Notice: Vintage and early-production Minarelli/Yamaha horizontal 50cc engines used a legacy 105mm clutch and bell configuration . If your bike runs an unaltered 105mm setup, you must also purchase a matching 107mm clutch bell. Always measure your original assembly before ordering. About NCY NCY is the aftermarket performance parts leader for Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6/QMB-powered scooters. ISO 9001 certified and manufactured in Taiwan to strict quality standards since 1997. California Prop 65 Warning: www.p65warnings.ca.gov