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Old 09-10-2017, 04:12 PM
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Default 1991 yz250

     

I have a 1991 yz 250. It was just bottom end rebuild (all seals and bearings ,include crank ) . It also had cylinder re coated and new piston and rings. Reeds also replaced .
I have it running but it breaks up on bottom end (plug is really wet ) .jetting is same as it was before crank seal went out .any help would be appreciated. Thanks.
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