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    1971 evinrude sport twin

    i have a 1971 evinrude sport twin and my question is when i have the throttle wide open maxing it out it drops back down as if it was slipping gears or something. At first i was mixing the gas oil ratio rich could that be a problem with the way it runs or is it something more serious. I had the...
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    What Ratio

    i have a new to me 9.5 evinrude sportstwin motor year unknown but serial number J 10559 and model number 9122 R if that helps. My question is what gas to oil ratio should i be using for this engine? And as far as the points on the flywheel go how do i set it to .020? please help....
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