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RM250 Fuel/Oil Ratio

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Howdy,

What ratio do people use on their RM's?

I have a 99/00 Model RM250 & according to Clymer it suggests 32:1. However i always use Castrol Power1 TTS Racing Fully Synthetic Oil. If i use fully synthetic oil does that mean i can run leaner mixes of 40:1 or 50:1. On the rear of the carton it does say good for mixes up to 50:1, but i assume that is the limit for the oil, not for the bikes.

What do people with fully synthetic oils run as a ratio?

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youll find the consensus here is between 32:1 and 40:1, 40:1 would actually be richer than 32:1 because there is more fuel in the fuel/oil mix.

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