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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Plugging oil holes in pistons
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[QUOTE="76GMC1500, post: 1186051, member: 73139"] I think buying a new piston would be the best solution. They don't last forever, anyways. Is this piston out of another bike? Why are the holes already drilled? Pistons expand and contract too much for me to be confident with epoxy. Welding will do all kinds of bad things and require the piston be re-machined. The performance difference between having the holes and not is probably similar to having a slightly relaxed petal on the reed valve. It makes it a little harder to start, but doesn't really affect too much when the engine is up to speed. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Plugging oil holes in pistons
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