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Old 05-12-2010, 12:55 PM
tudorvintiloiu's Avatar
tudorvintiloiu tudorvintiloiu is offline
Motorized Bicycle Member
Join Date: Apr 2010
Location: Romania
Posts: 41
Default Re: What does this spark plug tell you?

I'm running 20:1 non-synthetic regular cheap oil. I will switch to synthetic oil and a much leaner oil-fuel ratio after a few gas-tanks.
I've heard this is best for a new engine.
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