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  1. M

    Altutitude chart for 77' 75hp Evinrude

    Claton,<br /><br />Awhile back you said that you had a chart that showed the correct jets sizes for different altitudes on these engines. My manual has no such chart. Could you, or anyone else, give me the correct low and high speed jet sizes for this engine. I run the boat between 4000 and...
  2. M

    Ignition Problems

    I have a 1977 75 HP Evinrude with some ignition problems. The engine is lacking power and if feels like a cylinder or two is droping briefly when trying to plane. At idle it also drops a cylinder or two and sometimes dies.<br /><br />This is what I have done. I have replaced all three...
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