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Old 12-01-2011, 06:35 AM
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BarelyAWake BarelyAWake is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Maine
Posts: 7,212
Default Re: New Guy From Mountains of N.C.

Originally Posted by maintenancenazi View Post
Or could it be that these motors have a HUGE difference between new, and fully broken in?
This is most definitely the case, there's a significant & very noticeable change in power as the motor runs in.

Only catch is how long that takes seems to be wildly variable from engine to engine - but the consensus is at least a couple of hundred miles, particularly with the rich mixes/high quality oils.

S'long as your fuel/air mix is set properly w/a tan/brown electrode - I'd reco not bothering to tinker w/the carb trying to get any better performance until after the break in period - you'll drive yerself nuts
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