Thread: Break in period
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Old 10-11-2009, 04:09 PM   #50
RedRider2k2
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Location: N.B, Canada
Moto: 06 ZX10R, 18 400 Ninja, 11 KLX250s
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Quote:
Originally Posted by was92v View Post
Do you guys think there is a difference between a new engine /gearbox and rebuilding an engine that all the other hundreds of parts are already run in?
There are hundreds of friction points in a new engine/gearbox that are lapping in besides the cylinder walls, piston skirts and rings in a new motorcycle engine/gearbox that are not at all a concern when rebuilding a used unit.
No, not really. All those friction points you speak of are either replaced with new or measured to make sure they're within Spec. You dont toss on a new set of rings and call it "Rebuilt". I'm talking front to back, top to bottom, EVERYTHING gets stripped down and gone over with a micrometer.
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