Re: Odd grey discharge from lower part of 1962 Johnson 10hp Seahorse

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June 1, 2017 at 1:07 pm #58768
lindy46
Participant

    Well, I’ve had many pre-1964 Johnnyrudes running 24:1 that have done the same thing. I’ve always considered it normal. Most that unburnt oil that you mix with the gas ends up going out the exhaust. Give it a good high speed run after trolling – that will help.