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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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Old 03-05-2009, 03:51 PM
Graham Graham is offline
Motorized Bicycle Member
Join Date: Jan 2009
Location: boston, ma
Posts: 32
Default top end acceleration issues

Bike starts up fine, acceleration sounds normal, but when I top out It sounds as if the engine is struggling in an odd way. It vibrates a lot and sounds like the rpm goes out of whack what could this be contributed to?
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Old 03-05-2009, 04:06 PM
Spunout's Avatar
Spunout Spunout is offline
MB Builder Extraordinaire
Join Date: Jul 2008
Location: coventry, RI
Posts: 475
Default Re: top end acceleration issues

check to make sure all your hardware (esp. mounting) is nice and tight.

EDIT: if it isnt that, you may have a cracked frame and not know it. i've had that one before.
Originally Posted by Dan View Post
Originally Posted by Bikeguy Joe View Post
You are one sick man spun, I like that quality in a person.

Last edited by Spunout; 03-05-2009 at 04:14 PM.
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