Transmission

These are currently on backorder from our supplier with no ETA on availability. Please reach out to us and we can help you build a similar kit util...

NCY  Transmission Kit Zuma 125cc This Super Trans Kit is one of the best dollar-for-dollar bolt-ons to improve your bike! Quicker accelleration, h...

This exhaust has a race-tuned expansion chamber to help your engine make maximum power in the range of 4000-12000 RPM. The included variator parts ...

High quality complete clutch kit for the YSR50. Includes two friction plates, one steel plate, and all four clutch springs.  Q : How do you get the...

Gasket for the left big side cover We have all the Genuine Yamaha Gaskets available. If you don't see please contact us! 

New S23 Replacement Clutch Cable - Perfect OEM fit YSR50 and YSR80  

This is a very cool spring seat with roller bearings! Super Smooth! (If you have an '08-'11 you will need the NCY Rear Pulley Assembly )

Polini Final Drive Gear Set 13 x 44 This is an easy install, however, we would recommend  replacing the bearing at this time and make installation...

NCY 3 shoe Light Weight Clutch 107MM Lightened clutch from NCY. With extra lightweight pillows and high friction pads, this is a great upgrade for ...

Performance 3 shoe clutch from NCYPerformance clutch from NCY. With high friction pads, this is a great upgrade for a stock or performance machine....

This NCY adjustable secondary sliding sheave has two sets of ramp angles, one steeper than the other. These allow you to adjust how quickly the pul...

Super Light Weight Clutch Bell for NCY Clutches NCY Racing Clutch Bell(Teflon Coated, Star); Zuma 50  Lightweight! '08-'11 or NCY Clutch 107mm  

DrPulley HiT Clutch  Yamaha Zuma '89-'11 & 50F & C3 Dr.Pulley high performance clutch HiT 161310 Get quicker, harder launches & positiv...

38mm Clutch Nut that holds Clutch shoes to axle (41mm = 1 1/2") Same as the 41mm clutch nut but less expensive - no compromise in quality (it is a ...

NCY Torque Spring Torque springs do a couple of things. First they supply the pressure to engage the belt. They also determine the rate at which th...

Get better acceleration by upgrading your clutch springs! RPM NCY clutch springs, set of 3. Clutch springs help determine the RPM that the clu...

17mm Clutch Nut    

41mm Clutch Nut that holds Clutch shoes to axle (41mm = 1 5/8")    

NCY Torque Spring Torque springs do a couple of things. First they supply the pressure to engage the belt. They also determine the rate at which th...

125 Clutch Springs "One of the fundamental upgrades you can make to your scooter is swapping out the clutch springs for ones that will give you mor...