NCY Clutch Bell (112mm); Yamaha 50 2T & 4T NITRO SPORT 50 ENGINE CASE Very nice quality pulley by

Very nice quality pulley by NCY for the Zuma scooters

Valve Seats: Pre-installed

High-Torque Output: Optimized for 125cc

this high-lift cam profile increases valve duration and lift

NCY Clutch Bell (112mm); Yamaha 50 2T & 4T NITRO SPORT 50 ENGINE CASE Very nice quality pulley byClutch housings are often overlooked when looking for extra power. Light weight housings allow for quicker acceleration and more efficient cooling. This housing is a perfect upgrade for any bike, stock or dragster! Through constant research NCY continues to bring design concepts to the CVT transmission that are unmatched by any others. *Textured for better initial bite *Cross drilled for heat dispersion and debris extraction. *Ultra efficient cooling