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Yamaha MX & Off-Road Dirt Bikes
High Compression piston for a YZ250F
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[QUOTE="jimt_yz400, post: 163588, member: 21081"] Rich, One more question: Bill of Moss Machine (SFO in DRN) has suggested that I may want to cut the barrel (base) to increase the squish( compression?) then run a decent race fuel with the (new) stock piston and rings. Does this sound reasonable and what would I gain by doing this? [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
High Compression piston for a YZ250F
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