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  1. V

    Oil/Fuel Ratio

    I have and old 1978 Johnson 2 Cyl outboard. I'm fairly mechanically inclined (pardon the split infinitive), and it took me a while--and lots of online help from you guys--to understand how to set the motor's linkage, carbs, propeller, etc. for best performance and motor life. <br /><br />I've...
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    Spark advance symptoms

    Greetings!<br />I hope everyone is having a happy boating summer. What would summer be without a boat in the water (or at least a motor to tinker with)?<br /><br />Anyway, I have a fairly specific question.<br /><br />I have a 1978 55HP 2-Cyl Johnson. I finally go the motor running well. My last...
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    2 part Propeller Question

    I recently got a 1978 55HP Johnson. The prop on this motor was 11 3/4 x 17, which seems to be the recommended size for this motor.<br /><br />My problem is that even though the motor seems to run great, my max RPMs at WOT won't go over 4100-4300, which is very low. <br /><br />My 1st question...
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    1978 55 HP Johnson, timing advance

    Greetings!:<br /><br />I recently inherited a 1978 55 HP Johnson outboard. My father kept the owner's manual with the motor, so at least I have that. It would have helped more if it had been a shop or repair manual, but you take what you can get. <br /><br />My question is: What is the long...
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