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Dirt Bike Brands - Other
Normal break in or damage
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[QUOTE="2strokes4life, post: 1349264, member: 104797"] Here's what I found out about the cylinder. You guys tell me if you agree. I sent the company that did the replating the pictures I posted here and asked them for their opinion. I sent them my new Wiseco Pro lite piston when I had the cylinder replated. They matched the piston to the cylinder. They told me today that what I am seeing in the cylinder is known as striping. They said that as long as I have good compression and the engine runs smooth that this will go away when the rings are completely broken in and fully seated. He said it would take a little riding to completely take set. I have only gone through a few heat cycles and a couple short rides. Nothing harsh yet. Both of my crank seals were bad. Here are my thoughts, you guys tell me if they are logical. Even if my left crank seal was causing me to run lean, my right crank seal was pulling clean oil which should have been lubricating the cylinder as well as fouling plugs. I bought this bike used so I didn't know what all was wrong with it. I should have leak tested it before the first start up. It was running pretty smooth on the first couple heat cycles, but started getting worse. Do you think the two bad seals could have cancelled each others damage? Would it have damaged it anyway if I wasn't hard on the gas with that little of run time? Let me know what you all think. I want to have this all figured out before I tear into my 2002 CR 250. Thanks guys. I'm trying to learn all of this. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Normal break in or damage
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