UMA Racing Pulley/variator/weights - Yamaha NVX/Aerox/NMAX 155

A Racing Koso/UMA Racing Pulley/Variator kit, The clutch pulley assembly has a larger diameter over the standard set that allows for higher top speed, and allow higher speeds for a lighter roller weight.

Included are a set of 9g pulleys. We also stock some different weights for you to play with to tune your transmission to your riding style. Lighter roller sets will give you quicker acceleration but it will require higher RPMs to reach a higher ratio.

 

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Fitting:

Yamaha NVX155 NVX125/Aerox 155

Yamaha Zuma/BWS 125 (VVA)

Yamaha Cygnus Gryphus / X-Force 125 155 (VVA)

Yamaha NMAX 125 155 (VVA)

Yamaha X-MAX/S-MAX 125 155 (VVA)

Yamaha Tricity 125 155 (VVA)