Re: Fuel
LOL oh no they told you a fish story on that one you will be fine with 87 lol or less. i have several 140 hp Johnson's and the book says run 87 to 89 octane and they have 136 to 150 per cylinder depending on which motor it is. but 132 to 136 is factory onthose and they say run 87 to 89.
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1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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