UMA Racing Stroker Crankshaft (+3.2mm)(100L) - Honda CBR150R/Winner/Sonic/GTR150/RS150R

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. Designed with an extended stroke to increase engine displacement, delivering improved power, stronger low-range torque, and dynamically balanced performance with minimal vibration. 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 3.2mm
• Connecting Rod length - 100mm 
• Block bottom spacer required - 6.5-7mm 
• Includes: Crank bearings. Crankshaft sprocket 

Fitting:

Honda CBR150R (K45G)/CB150R (2016)

Honda CB125R (2021)

Honda RS150R/Winner/Supra/GTR150/Sonic (2016)