johnnyb75 Posted June 5, 2010 Share Posted June 5, 2010 hi group, i have an 65 yamaha omaha trial bike. seems to be very rare. It has a yg1 motor, and i'm looking for 80cc piston (maybe n.o.s) please help john richboro, pa Link to comment Share on other sites More sharing options...
turrican64 Posted June 5, 2010 Share Posted June 5, 2010 hi group, i have an 65 yamaha omaha trial bike. seems to be very rare. It has a yg1 motor, and i'm looking for 80cc piston (maybe n.o.s) please help john richboro, pa What's the bore size? Maybe you could get away with using a piston from another bike...like a GT80 or similar. Link to comment Share on other sites More sharing options...
Moderator mervin Posted June 5, 2010 Moderator Share Posted June 5, 2010 first go to yamaha and find the part number then try these shops speednsport nwvintagecycle vintage japanese Link to comment Share on other sites More sharing options...
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