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  1. #1

    Default 1989 70hp Johnson

    Need help. My1989 70hp Johnson is really hard to start, when I get it started it runs out great but when I stop and fish for a while it's really hard to start again. After starting runs out good.

  2. #2
    Join Date
    Sep 2010
    Posts
    23,761

    Default Re: 1989 70hp Johnson

    Are you pushing the key in and holding it in during cranking ?-----How did the motor run for you last season ?-----What trouble shooting has been done if any.----Are you sure you understand the correct starting procedure ?-----Are you familiar with the operation of the ignition / spark system and fuel system on this outboard motor ?

  3. #3
    Join Date
    Jun 2013
    Location
    Duluth Mn
    Posts
    4,798

    Default Re: 1989 70hp Johnson

    Right. Amen to all above. How about one question for you? Can you describe your starting procedure?

  4. #4

    Default Re: 1989 70hp Johnson

    Quote Originally Posted by racerone View Post
    Are you pushing the key in and holding it in during cranking ?-----How did the motor run for you last season ?-----What trouble shooting has been done if any.----Are you sure you understand the correct starting procedure ?-----Are you familiar with the operation of the ignition / spark system and fuel system on this outboard motor ?
    Yes I am pushing key in. It will start after cranking for while and quit. repeat and run little bit quit. after several times will run. I bought boat in April and took to dealer to check. Put power pack and spark plus in. It was running down lake and would shut off. Doesn't do that any more. Runs out great after getting started. First Johnson i've ever owned didn't know if it was just the way they were. I've owned Mercury 40 hp for 13 years. Started easy every time. Thanks

  5. #5

    Default Re: 1989 70hp Johnson

    I pump ball first, push key in and crank.

  6. #6
    Join Date
    Sep 2010
    Posts
    23,761

    Default Re: 1989 70hp Johnson

    These motors in good condition start right up.----No different than any other motor these days.-----So start by posting your compression test numbers.-----And is your battery in good condition and fully charged.-----If motor RPM is marginal while cranking these motors will not have spark.-----Thus hard to start

  7. #7
    Join Date
    Sep 2010
    Posts
    23,761

    Default Re: 1989 70hp Johnson

    Are you raising the fast idle lever ?

  8. #8
    Join Date
    Jun 2013
    Location
    Duluth Mn
    Posts
    4,798

    Default Re: 1989 70hp Johnson

    After it fires, you may have to push in the key to activate the choke/enrichener/primer....every few seconds until it warms up. Bingo, I think that's what your not doing. Am I right or wrong?

  9. #9

    Default Re: 1989 70hp Johnson

    Your right. Thanks I will try that.

  10. #10

    Default Re: 1989 70hp Johnson

    No have not tried that. will try that also. Thanks

  11. #11

    Default Re: 1989 70hp Johnson

    Thanks that may be a problem too. Last time I came home and put starting battery on charge it was 60%, Thanks guys. You guys are Awesome! May be a while before I get to try these things out. I'm in Ky and we have a lot of snow. Thanks

  12. #12
    Join Date
    Jun 2013
    Location
    Duluth Mn
    Posts
    4,798

    Default Re: 1989 70hp Johnson

    Happy to help. How were you affected by those tornadoes? We even had one in southern MN.

  13. #13

    Default Re: 1989 70hp Johnson

    I live in southeast KY and we didn't have any. Western KY was hit hard. Thanks for asking.

  14. #14
    Join Date
    Jun 2013
    Location
    Duluth Mn
    Posts
    4,798

    Default Re: 1989 70hp Johnson

    That news was heartbreaking. Never seen such devastation and I went to clean up hurricane Andrew in South Miami. A massive tornado certainly gives a short time to run for your life, unlike hurricanes.

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