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Dirt Bike Brands - Other
04 Yz 250 ? Big Bore Or Replate?
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[QUOTE="Pete Payne, post: 1099021, member: 20445"] Big bore it to a 2mm oversize , with having the cylinder replated to the 2mm oversize . step 1 Overbore cylinder 2mm , step 2 port cylinder , step 3 have cylinder raplated , step 4 machine head to work with overbore. step 5 clearance powervalve's to work with new bigger piston. Step 6 rebuild bottom end step 7 assemble all parts and be glad you don't have a 4 stroke ! [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
04 Yz 250 ? Big Bore Or Replate?
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