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Posted

I melted the top of the right side piston. I am going to check to see of the bore is still o.k. It looks o.k. If not and I bore it can I bore one sied .060 over and leave the otyher side alone or will it f up my bike. The top end has 10 hours on it

Posted

If you bore one side and not the other you will have a different amount of weight on each side of the crank. Not good. You want that crank as balanced as possible. It's a very high reving engine. Both cylinders should stay the same.

Posted

yea deff bore em both, i asked this question before just for shits n giggles and the diff weight pistons will throw the crank off balance

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