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2006 CRF70 Piston Rings

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So i start minor overhaul on my sons bike get everthing cleaned up ready for install and piston rings are too big! Has anybody had an issue with stock or std rings from wiseco? Piston is fine air filter was full of dirt and smoked the rings and cyld. Cleaned cyld and honed it installed new valve stem seals just wanted some info on this, maybe diffrent brand of rings?

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So i start minor overhaul on my sons bike get everthing cleaned up ready for install and piston rings are too big! Has anybody had an issue with stock or std rings from wiseco? Piston is fine air filter was full of dirt and smoked the rings and cyld. Cleaned cyld and honed it installed new valve stem seals just wanted some info on this, maybe diffrent brand of rings?

Are the piston and rings both from Wiseco?  If they are, send them back.  If not, pistons and matching rings are different from the manufacturers.  I have a Wiseco Hi-Comp in my and it fit fine.

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