I can't help wondering if what you are hearing is actually the power pulse of the engine and not the higher pinging of detonation. While riding mine I have noticed some detonation when it was warmer out and I was lugging it.This a alot higher pinging than a lower thumping and it was when I had to put a lower octane in it temporarily. But it does have a more noticeable power pulse that my C50t had. I think you may be worrying over nothing. If in doubt take it to the dealer and have the mechanic ride it and check it out.
Last edited by grandpatractor; 09-16-2008 at 05:51 PM.
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