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1985 DT85 wont accelerate under load

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  • 1985 DT85 wont accelerate under load

    Hi All,
    I pulled my boat out the other day to take it to the lake figured I better make sure she was running ok So I fired her up. Started right away when I reved it in neutral had a little delay before accelerating. figured it was the plugs so I replaced them. fired it back up seemed to run like a champ. I packed up and headed to the lake where the motor started right up. I ran it for about 3 minutes at around 5 MPH basically an idle went to give it gas and it just bogged down and died. After I did this the motor would not even stay running long enough at a low idle to be able to put it in gear.
    Things I have replaced or checked so far are:
    New Gas tank at the end of last year..so the gas is brand new
    new fuel filter
    rebuilt the fuel pump
    new plugs
    I also have checked the spark on all 3 cylinders
    and the compression on ea cylinder is between 125-130
    Any help is appreciated

  • #2
    First check to make sure your timing advance is working properly, if so you may need to remove and thoroughly clean you carburetors.
    Regards
    Boats.net
    Suzuki Outboard Parts

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