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Old 05-22-2013, 01:13 PM
crassius crassius is offline
Motorized Bicycle Elite Member
Join Date: Sep 2012
Location: USA
Posts: 2,784
Default Re: Revs fine with no load, Boggs when clutch engaged.

sounds like it might be going lean, so check air leaks & fuel flow

if not that, check for clogged muffler, or something rubbing on chain/rear tire
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