UMA Racing Stroker Crankshaft (+6.8mm)(109L) - Yamaha R15/Fz150i/T155/MT-15 VVA

UMA Racing Long Stroke Crankshaft Kits are great solutions to increase the performance and torque your machines. These kits will increase your engine’s displacement (cc) for great performance gains. The crank webs are reshaped and optimised for the best engine balance and vibration reduction. These kits come assembled and balanced with enhanced and strengthened con-rod kits.

Longer conrod for modified rod ratio and lower vibration. Requires extra thick block spacer. For advanced builds only. 

• Increases total stroke by 6.8mm
• Connecting Rod length - 109mm 

Fitting:

Yamaha YZF-R15 V1 V2/MT-15/Xabre/M-SLAZ

Yamaha Fz150i Vixion

Yamaha YZF-R15 V3/MT-15/XSR155/WR155 (VVA)

Yamaha Y16ZR/Jupiter MX King/Exciter/Sniper T155