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25hp starter problem

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  • 25hp starter problem

    Just bought brand new battery for my outboard ,my problem is starting motor engages (ie. spindle pops up) but will not turn flywheel ,i can turn flywheel by hand freely ,any ideas would be gratefully recieved..

  • #2
    Maybe remove, clean/polish and tighten all electrical connections in the starting circuit, including battery terminals and terminal on the side of the starter. Also check your main cables for good connections and possible internal corrosion. Try it with the spark plugs out just to assure the starting system is turning the motor. Good Luck!

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    • #3
      A voltmeter would help find the problem by measuring the voltage drop along the cables while hitting the starter.
      Ohms may help troubleshoot and so would a DC clamp on ammeter

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      • #4
        Cheers Robert ,not actually working on engine till the w/wend ,but sounds like good sound advice ,though dont understand terminals on side of starter ,didnt know there was any ,but will look and will also try with plugs out,cheers....

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        • #5
          99yam40 ,sorry im new to outboard engines and dont have voltmeter but many thanks for replying to my post ,cheers..

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          • #6
            Originally posted by dejay706 View Post
            Cheers Robert ,not actually working on engine till the w/wend ,but sounds like good sound advice ,though dont understand terminals on side of starter ,didnt know there was any ,but will look and will also try with plugs out,cheers....
            The starter wire/cable attaches to the side of the starter with a hex nut...remove that nut and clean that area with a wire brush and tighten it down with a touch of grease on the contact points. Check and clean the other electrical connections in similar fashion. Good Luck!

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            • #7
              Thanks again Robert will do,touch wood can get it turning over at least ,cheers again...

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              • #8
                I would like to thank everyone for their input to this blog ,have to say ive solved the problem which was the starter solenoid ,the contacts on the starter solenoid were that bad had to strip full thing down and clean every contact then put back together ,have to say this was not a difficuld job if your diy friendly should be tackled i think ,anyways put all back together and managed to get my engine started whoohoo ,thanks again and keep up the good work ,cheers Dean..

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