Reply To: 1957 johnson 18hp fuel mixture

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July 14, 2022 at 9:25 pm #262943
johnny
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    The instructions say to mix 1 quart of oil to a six gallon tank of gas and for smaller quantities mix it 16:1. One quart to six gallons of gas is 24:1 I run all my 1950s OMC motors with a 24:1 mixture.