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  1. #1
    Cadet
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    Dec 2008
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    Australia
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    Default 1984 70hp evinrude slow to start

    When cold the motor takes a long time to fire up. I've been turning it over for around 20sec with a 60sec break (don't want to o/heat the starter) and takes 6 or so goes to fire up. Once its warm there's no probs. Engine has had a piston overhaul and i'm running the mixture slightly richer than 50:1 but there is no sign of spark plug fouling. What can i do to get that 'first start' perfomance.

  2. #2
    DJ
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  3. #3
    Petty Officer 2nd Class
    Join Date
    Nov 2008
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    133

    Default Re: 1984 70hp evinrude slow to start

    Assuming you are priming the engine by pushing in the key, your primer solenoid may not be working. It looks like the 84s did not have the manual start bypass on the primer, but if yours does have it (red lever on the primer solenoid) then try priming manually - turn the red lever 1/4 turn to where it is at right angles to the solenoid, give one pump on the fuel line bulb, and turn the red lever back.

    If you don't have it, get a service manual and check the operation of the primer solenoid - or just replace it.

    Tim

  4. #4
    Cadet
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    Dec 2008
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    Australia
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    Default Re: 1984 70hp evinrude slow to start

    Awesome advice guys, I was hoping it was something as simple as this. My '84 does have the manual bypass primer and i've identified the primer solenoid as the problem. Thanks for the tips!!

  5. #5
    Senior Tech Advisor tashasdaddy's Avatar
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    Nov 2005
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    Jacksonville, Florida
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    51,017

    Default Re: 1984 70hp evinrude slow to start

    check the wiring connection to it. i have had them corrode, and primer not work.
    FLORIDA GATORS
    TEBOW Country



    Please, NO PM's (Private Messages) regarding boat/engine problems. they will not be answered.
    That is what these forums are for. Post your questions, in the appropriate Forum.

  6. #6
    Cadet
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    Australia
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    Default Re: 1984 70hp evinrude slow to start

    will do tashasdaddy, and thanks again!!

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