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Old 11-03-2014, 02:25 PM
Slogger Slogger is offline
Motorized Bicycle Elite Member
Join Date: Sep 2014
Location: nohio
Posts: 497
Default Re: Engine break in process

Thanks, Monturacer3
I'll go take a look at the plug. The carb itself is ok, I've been changing the jet and float height as the bike breaks in, I suspect it needs some more tampering on my part.. Or maybe less.
haha this is fun!

Edit: The plug was a dark tan with a hint of an oil sheen on it.
I'm thinking it might be time to go to a 32/1 mix to richen the fuel /air mix a bit and improve the oily plug syndrome at the same time. I think the plug gets oily on longer runs (at half 3/4 throttle) due to the 25/1 and the low load, easy running. The spark weakens and you lose a little hp.
The next gallon will only have 4 oz of Valvoline 2 stroke oil.

Last edited by Slogger; 11-03-2014 at 03:19 PM.
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