Wossner Racing Stroker Crankshaft (4.5mm) - Yamaha R15/T150/Fz150i

Wossner Racing Stroker 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. These kits come assembled and balanced with enhanced and strengthened con-rod kits.

Note: For R15v3/V4/MT and similar VVA models, you need to add a 1mm bottom spacer/increase spacer thickness +1mm as the standard rod is 1mm shorter(99vs100mm). You will also need to reuse the stock bottom crank timing gear.

• Increases total stroke to 67.70mm
• Connecting Rod length - 102mm
• Requires 6mm cylinder bottom spacer
• Requires timing chain replacement.

Fitting:

Yamaha YZF-R15 V1 V2/ R125/MT-15/MT-125/WR125/ Fz150i Vixion (Non-VVA)

Yamaha Fz150i Vixion

Yamaha Y15ZR/Jupiter MX King/Spark/Exciter/Sniper MXi/ T150

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