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Canadian Daves JustKDX
lost my piston circlips!!
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[QUOTE="Joburble, post: 1376813, member: 108776"] Here is what you can get away with if you have nothing to loose. Some years ago a friend of mine (Andy) used to race a supercart and he seized it BAD in practice. When I arrived at the track he was ready to go home before racing had started. Another friend of mine (Ian) and myself set about rebuilding his motor out of melted parts. We used a very worn oversized piston (Andy had it in his toolbox) in a very worn and seized undersize bore, we scraped the melted aluminum off the bore with a screwdriver and honed it by hand with a honeing stick. We picked the rings out from under the melted piston (the rings were barely visible), they were stuffed. We sharpened and shaped the edges of the rings with the same honing stick matching it to the bore the best we could. We anealed the old copper headgasket using a lighter and a bowl of water and patched together a base gasket out of something (I can't remember what). We torqued it up using the hand and eyeometer. we ran it with a bit more oil in the premix and told Andy it would probably seize or blow up, but he had nothing to loose so go for it. That cart ran at well over 100mph in all his races. If memory serves he rebuilt it properly before he raced it again. I think we were lucky but hey, that's what you can sometimes get away with, and sometimes not. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
lost my piston circlips!!
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