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Yep go with the 25:1 mixture
O'neil Brothers Racing says to use a "dino" oil for at least two tanks then switch to synthetic if you want. They recommend the Castrol 947 oil.
I have a OBR race ported, stuffed crank and 2mm stroker ready to fire up.
Going with their recommend of 25:1 or about 5oz. of oil to one gallon of fuel.
That would be about 8 ounces of oil per gallon of gas.What oil % does everyone use when you mix your fuel?? On my pull start it says 25% but that seems like slot of oil. I think my Baja I had was 20-1 ratio and that is no where near 25% . So what % or ratio would I mix my fuel?
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