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Dirt Bike Brands - Other
1991 XR250R Smoking after Rebuild
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[QUOTE="BigBore, post: 245673, member: 16143"] I'm not buying the "rings haven't seated yet" excuse. I've never seen a new motor smoke. Also, I'm wondering.....why is there oil in the muffler? I can see maybe a little sludge-like carbon build up if it has been buring a lot of oil. Ok, so the mechanic rebuilt the motor, tried starting it, but it had low compression. So he says that Wiseco didn't have a ring installed on the piston correctly? Rings don't come pre-installed on the piston. Hate to say it, but it sounds like something wasn't put together right. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
1991 XR250R Smoking after Rebuild
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