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Discussion Starter · #1 ·
Im buying a 2005 yfz this weekend, the bike only comes with a good bottom end, the top end is completly blown so i have to get a new one. Was woundering if i should go big bore or stock cylinder size? And do hotcams stage 2 make good power? Im gonna have a full exhaust system and velocity intake so i want a setup that will make good power with that. And for the piston what compression should i go with? I wanna stay on 93 octane pump gas. Thanks
 
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