IKK Racing Crankshaft Stroker Kit (+4mm) - Yamaha NVX155/Aerox 155

IKK Racing stroker crankshaft kits come assembled with strengthened conrod and do not require a thicker block spacer, due to shorter connecting rod. These kits will increase your engine’s stroke for big performance and torque gains. Suitable for road and track use.

• Increases total stroke by 4mm (2mm up+down) 
• Connecting Rod length - 97mm 
• Crank bearings and sprocket NOT included.

Fitting:

Yamaha NVX155 NVX125/Aerox 155

Yamaha YZF-R15V3/XSR155/MT-15/WR155 (VVA)

Yamaha YZF-R125/MT-125 (VVA)