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Old 11-08-2010, 08:22 PM
Nougat Nougat is offline
Motorized Bicycle Elite Member
Join Date: Nov 2009
Location: Montgomery, IL
Posts: 1,332
Default Re: Tried bike for first time this afternoon: DIDNT WORK

I know some people say to break in with natural oil. Other people say it doesn't matter. I don't have a whole lot of insight on that one. I'm leaning towards "it doesn't matter," though.

I have read an article that natural oils don't go well with ethanol-blend gasoline. The ethanol apparently gets in between the oil and the surfaces, limiting lubrication, especially on the piston and cylinder right near the intake. According to the article, this is not an issue with synthetic oil. However, I don't have anything but "I read an article on the Intarwebs a couple weeks ago" to back that up with, so take that with a grain of salt.
When asking for advice, you did not specify whether you wanted only good advice.

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