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Old 08-14-2008, 03:13 PM
Large Filipino Large Filipino is offline
Motorized Bicycle Elite Member
Join Date: Jul 2008
Location: Northglenn,Colorado
Posts: 656
Default Re: Engine runs kinda "lurchy"

You may need to gear down a bit by getting a larger rear sprocket. This will bring up your RPM a bit higher eliminating that lurching. It seems to me you aren't running fast at all as it is. If you have a 44 tooth in back get a 48 tooth.
Is this a China 2 stroke?
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