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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Bore Kit for 00 YZ 25
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[QUOTE="FMX_novice, post: 147387, member: 21243"] Id say go with wattever Eric Gorr does, if he does 144 its probobly the biggest reliable bore you can go with, 150 might be too big and eventually end up puncturing the cylinder into the water jackets. Plus the company that makes the pistons for there 150 could go out of business. Theres probobly a reliable piston source for the 144. The other problemo is that when you go to sell it people wont like it because they wont know if its 1.legal for racing 2.if they can get pistons for that bore If you have some money to burn, and the rest of your bike is in good condition, then it sounds like a good idea, ask if porting comes with the boring. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Bore Kit for 00 YZ 25
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