Theres a mechanic at the end of my street who broke a crankshaft by removing the front harmonic damper and fitting a larger pulley to gear a supercharger up, and that was with a tiny toyota blower driven with a fanbelt.
If there's anywhere near a "large" sum of money invested, I'd be getting a vibration analysis done real quick. At the very least do a detailed observation of the drive equipment over the entire rev range. Even such a small thing as a belt-fly could set off a nasty resonance somewhere.
If there was a problem, chances are the rider will detect a slight buzz/brrrapp as the engine rolls past the problem area. The narrower the area the larger the Q and therefore the more the risk.
Steve
"I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
"read what Steve says. He's right."
"What Steve said pretty much summed it up."
"I did axactly as you said and it worked...!!"
"Wow, Great advise there DB."
WTB: Hyosung bikes or going or not.
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Originally Posted by cowpoos
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