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I Have A Johnson 90 Hp Circa 1988. What Is The Oil Mix Ratio?

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    30 liters of gas to 1 liter of oil
    30:1
    maybe 40:1
    but better to run it rich at 30:1 it might foul the spark plug,(carry extra plug) but it wont burn the piston like if you mix it lean. Piston>sparkplug piston expensive, spark plug cheep. :)
    0 0

    Wracer 

    answered 5 months ago

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