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Old 06-24-2014, 09:43 PM
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mapbike mapbike is offline
Motorized Bicycle Elite Member
Join Date: Mar 2010
Location: Central Texas
Posts: 5,379
Default Re: Just set up a new lower engine, and now the rear wheel locks when clutch is engag

Seems like you are trying to make a pk-80 piston work in a grube style engine.

I agree with Neil and also suggest that you put original piston back in your engine along with a new head and head gasket, torque it all down properly and you should hopefully be in good shape if needle bearing on either end of connecting rod have not been damaged.

Best wishes...

I dont always ride WOT, but when I do..I do my best to keep the rubber side down..Ride safely my friends!
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