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Old 04-17-2016, 05:17 PM
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Ludwig II Ludwig II is offline
Motorized Bicycle Elite Member
Join Date: Jul 2012
Location: UK
Posts: 4,302
Default Re: 50cc GY6 on a Bicycle??

My first question is what the reduction ratio is between the output of the engine and the largest of the sprockets you have. If the gearing is too tall, that will explain the fried clutches.

Can someone give a ballpark set of figures for the right number of teeth on the driving and the driven?
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