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Old 08-29-2013, 06:48 PM
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MotorBicycleRacing MotorBicycleRacing is offline
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Join Date: Jul 2010
Location: SoCal, Orange County.
Posts: 5,356
Default Re: My Girl packed it in

Originally Posted by Dasmailca View Post
When I removed the head I discovered a not so small groove scored in the cylinder wall as well as small pits in the head. Even a small piece of metal embedded there.

It seems that something in the bottom end has disintegrated. Is there any thing I can do ? Are there better quality parts to rebuild with ? Is there a better quality engine to start with ? Maybe 4 stroke would be a better choice ?
The damage is from your needle bearing coming apart.
Probably the upper one on the piston.

What motors and where have you been buying them?
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