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is fuel mixed with 2 stroke oil, bad for 4 stroke engine?

Posted By: ldivinag

is fuel mixed with 2 stroke oil, bad for 4 stroke engine? - 03/08/10 08:58 PM

just curious... i have some 6 month old fuel that i use for my 1/5 scale RC car.
Posted By: 69442

Re: is fuel mixed with 2 stroke oil, bad for 4 stroke engine? - 03/08/10 09:06 PM

I run R-12 racing fuel in my Yamaha YZ250 2 Stroke. I usually mix 5 gallons at a time. At the end of each riding season I pour the remaining mixed fuel into my 1978 F350. I make sure the truck tank is near full to better dilute it and been doing this for years with no issues. Doesn't smoke, sputter or cough!
Posted By: Ralph

Re: is fuel mixed with 2 stroke oil, bad for 4 stroke engine? - 03/09/10 12:06 AM

I fly Gas RC airplanes and If fuel is over 30 days I put it in my riding lawn mower.

synthetic oil would be better than petroleum oil on the converter, but we are dealing with a fraction of a percent so neither should make a real difference.

Simple answer go for it
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