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Old 08-10-2010, 05:24 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: Hi all. Just installed an 80cc on my Schwinn MTB MTB


Don't be discouraged with your speed right now. The claims of 35-50 mph are greatly exaggerated, and you won't really see a "top speed" until after a couple hundred miles of break in time.

Since you already went to 40:1, I won't tell you that 16:1 is horrendously rich, and the instructions recommend it for a couple of (bad) reasons. 16:1 will make your bike run lean, and if it runs good at that mix, when you go to 40:1 in will likely run too rich.
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