jb_dallas said:Yeah, the bike idle jumps around from 1700-1900. Could aggressive cams cause the issues I described? I have no idea what has been done mechanically... it just ran strong and passed all of the tests I could think of when I bought it.
Rich, it seems like I have read about a modified YZ400 that you built. Would it run rough at low to mid range? Was it difficult to fine tune?
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