Stage6 R/T crankshaft with 85mm conrod for Yamaha Aerox/ Minarelli Horizontal 50cc 2-stroke engines.

This high end racing crankshaft has been designed for use with 70cc racing cylinder kits. At the heart of the engine, a stable crankshaft is essential for transmitting power from the engine to the transmission. 

This crankshaft has been designed to be used directly with Stage6 R/T 70cc Minarelli cylinder kit. To use this crankshaft with other 70cc cylinder kits you will need a 5mm cylinder base spacer.

Dimensions:
Stroke: 39mm (standard)
Conrod length: 85mm (+5mm longer than standard)
Gudgeon pin: 12mm (oversize)
Crank pin: 18mm (oversize)

Stage6 S6-7916601