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Zenoah 4-Bolt PUM Top End Kit G290PUM 36mm
This is the long-anticipated Zenoah 36mm 29cc bigbore kit for PUM engines! This kit will fit Zenoah G231PUM/G260PUM engines, or any engine running the 4-bolt Zenoah marine crankcase.. This includes the parts shown (piston, cylinder, ring, pin bearing, pin washers, piston pin, base gasket, c-clips, and gold-colored heatsink).
This 36mm cylinder is for use with the standard 28mm crankshaft.
Zenoah part# 966748001
This 36mm cylinder is for use with the standard 28mm crankshaft.
Zenoah part# 966748001