Zenoah 29mm (+1mm) Crankshaft for Watercooled Engines
Made by Zenoah in Japan
When using on a Zenoah brand motor, no additional parts are required. If using on a CY motor, the Zenoah bearing/washers must be used
Zenoah part# 579244901
For use, requires a cylinder modified to accept the +1mm stroke, or use of an additional cylinder base gasket.