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Old 02-14-2015, 10:14 PM
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mapbike mapbike is offline
Motorized Bicycle Elite Member
Join Date: Mar 2010
Location: Central Texas
Posts: 5,379
Default Re: Gravity or siphon gas line

Originally Posted by 2door View Post
There's your problem. If you are using any kind of rubber or resilient material between the engine and the frame you are increasing vibrations, not decreasing them. This explains why you can't hold onto your handlebars and probably why you keep breaking fuel tanks.

It has been proven time and again that you can't mount the engine in rubber and expect not to get excessive vibration. Get rid of your "dampeners" and mount the engine as solid to the bike frame as possible. I won't get any argument from any experienced builder here.


Been there done that, rubber or anything soft between engine and frame is a big mistake and will cause the mounting hardware to fail.
I dont always ride WOT, but when I do..I do my best to keep the rubber side down..Ride safely my friends!
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