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    Runs great, then at full speed motor loses power and shuts off...can anyone help?

    1985 Evinrude 150 HP V6, when running at full speed the motor will make a racket noise and then slowly decrease in power(would be fully planed out and running for quite a distance). Once the motor kills, sometimes I can start it right of way and then sometimes it acts as if its froze up(then...
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    Need Evinrude expert, motor issues...

    The motor is a 1985 Evinrude 150 (E150tlcos), having acouple issues. One, motor cuts off while running in water at full board. I can plane out and run the boat at full throttle at roughly five minutes, then the motor cuts off. Once I start it again, it will run up to about 90 percent of full...
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    What plug do I use?

    Just accidently deleted a post of mine stating the same question, but whats the best plug to use in 1985 Evinrude 150?
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    What plug do I use in my 1985 Evinrude 150?

    Been researching, not sure exactly what plug to use in my motor? The UL77V or the QL77JC4 with a gap .030 to .032?
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