jasonsb Posted December 22, 2004 Report Posted December 22, 2004 I'm working on my brother's bike and I would like to know how to modify the head so that you get more compression. I know that you have to have a machine shop shave or mill the head...but I don't know how much. I want the bike to have as much compression as possible without running race gas. The bike will be ran at about 5,000 feet elevation. Any advice would be helpful! Quote
J.J. Posted December 22, 2004 Report Posted December 22, 2004 Read this post, all the info you need... click here Quote
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