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Dirt Bike Brands - Other
XR smoking after full rebuild
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[QUOTE="Uchytil, post: 908986, member: 43803"] A full rebuild should have included a piston to cylinder clearance. Ask them what the readings were for the bore. See if there is a bore diameter, out-of-round, and taper spec. If these readings were out you may never get a correct ring set. If the bore is bad a rebore or something else may be required (sleeve/new cyl). The piston should have been measured and/or replaced. If everything was cool a good petroleum based oil is best for inital ring set. The valves may also be a problem (seals or guides). Usually they (unless really bad) smoke upon initial start up from oil passing into the CC when it sits overnight and sometimes clears up after a little while (not always the case though). What year is the bike? Get a manual and check what's been told to you by the shop. Maybe there is a DRN'r that lives nearby that can help you out. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
XR smoking after full rebuild
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