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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
Cr250 piston wear
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[QUOTE="76GMC1500, post: 1225448, member: 73139"] If the piston is wearing a groove over the exhaust bridge, that's due to a bad right side crankcase seal. Your 02 CR has a similar exhaust port to my 87. Everybody told me it was the exhaust bridge clearance, but that spec'd out. Then, the bike started fouling plugs like crazy and replacing the right side seal fixed both problems. Here is a shot of my wear. Is this the same thing you are seeing? [IMG]http://i24.photobucket.com/albums/c8/76GMC1500/DSCF1910.jpg[/IMG] [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
Cr250 piston wear
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