Stage6 R/T 90/44mm crankshaft for Yamaha Aerox/ Minarelli Horizontal 50cc 2-stroke engines using Stage6 R/T 95cc cylinder kits.

This high end racing crankshaft has been designed for use with 95cc racing cylinder kits. At the heart of the engine, a stable crankshaft is essential for transmitting power from the engine to the transmission. 

Please note: This crankshaft has been designed to be used directly with Stage6 R/T 95cc Minarelli cylinder kit. The crankcases will need to be machined to 76.8mm to accept the large diameter crank webs.

Dimensions:
Stroke: 44mm (+5mm longer than standard)
Conrod length: 90mm (+10mm longer than standard)
Gudgeon pin: 12/13/14mm (oversize)
Variator nut: M12x1.25mm

Stage6 S6-7916605