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Everything Dirt Bike
Make / Model Specific
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What type piston do u run??
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<blockquote data-quote="ossagp" data-source="post: 164219" data-attributes="member: 1650"><p>I have used some of everything. Two stroke skirts can get pretty weak, and that is why I mentioned checking the wear and collapse on them. That way if it is under spec there you know to replace it before it rattles apart. I have gotten many to go over 100 hours. a 250 piston is liable to lose .002 off the skirt in less than 20 hours. most of that is just it reshaping itself. just keep it within spec and they don't give me any problem. FYI back in the days of cast iron liners I would sometimes see someone bore a cylinder to fit a low time used piston. if you do that and set it up at suggested clearance you can get it to seize some of the time. most dont know how much it collapsed to begin with and the seizure comes up closer to the head of the piston anyway.</p></blockquote><p></p>
[QUOTE="ossagp, post: 164219, member: 1650"] I have used some of everything. Two stroke skirts can get pretty weak, and that is why I mentioned checking the wear and collapse on them. That way if it is under spec there you know to replace it before it rattles apart. I have gotten many to go over 100 hours. a 250 piston is liable to lose .002 off the skirt in less than 20 hours. most of that is just it reshaping itself. just keep it within spec and they don't give me any problem. FYI back in the days of cast iron liners I would sometimes see someone bore a cylinder to fit a low time used piston. if you do that and set it up at suggested clearance you can get it to seize some of the time. most dont know how much it collapsed to begin with and the seizure comes up closer to the head of the piston anyway. [/QUOTE]
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Everything Dirt Bike
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What type piston do u run??
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