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Dirt Bike Brands - Other
Top End Service Limits on 2001 RM 250
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[QUOTE="RM_guy, post: 295628, member: 20652"] Cylinder bore: 2.6142 - 2.6148" measured .79" from top of cylinder There souldn't be any nicks or scraches in the plated surface Piston dia: 2.6118 - 2.6124" measured .93" from skirt end (front to back) limit is 2.6100" Ring end gap (in cylinder) .018 to .024" limit is .013" Check for any vertical movement for bearing wear. The specs are too tight to measure unless you can mearuse in the tenths. There shouldn't be much if any bearing wear on a newer bike unless you sucked dirt or aren't using enough oil or are running too lean [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Top End Service Limits on 2001 RM 250
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