NCY Racing CVT Torque Spring - Yamaha NVX/Aerox/BWS/X-MAX/NMAX 125 155 (VVA)

NCY Racing torque spring for CVT secondary sheath. Tune and Improve your scooters acceleration with this item. Available in 1000/1500/2000RPM engagement weights to fit your preferences. Best results when also paired together with a Racing Clutch Variator/Pulley kit. 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)

Part no. MG-1840