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Old 05-18-2011, 12:40 AM
matthurd matthurd is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: manchester NH
Posts: 817
Default Re: Loud Rattling sound coming from engine when I rev the throttle

how well is the engine mounted?

i had a similar problem on my bike originally, as the motor whirred up into the higher rpms it would get real loud since it was vibrating so much, changed a few things out and locked that baby down and it was good to go, mite wanna give it a try yourself.
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