Thread: Engine Noise
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Old 06-30-2009, 07:15 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
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Default Re: Engine Noise

Sometimes that "pinging noise" can be attributed to the mounts being loose, believe it or not. In most cases it sounds like detonation, something these 6.5:1 compression ratio engines are not really capable of. Also, the bushed engines have a lot of top end noise (99.6% harmless)
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