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250cc big bore, mods, etcThis is a discussion on 250cc big bore, mods, etc within the 2-Stroke Motorcycles - General Discussion forum, part of the 2-Stroke Motorcycle Forums category; Any of you 250 2 strokers bored out your bikes? I have a 06 yz250 bored out to a 300cc. ... |
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#1
10-21-2009, 10:36 PM
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 250cc big bore, mods, etc Any of you 250 2 strokers bored out your bikes? I have a 06 yz250 bored out to a 300cc. port and polished, wiseco piston, hot rod crank, vforce 3 valve, PC pipe and silencer, twin air filter. Have 175lbs compression and burnin av gas. Looking for others out there who modded out their 250cc bikes and what other things I can do to get more horsepower out of it. Im looking into either boring my stock 38mm carb or buying a bigger carb. I cant think of too many other things i can do to it other than gearing. Any ideas?  |
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