moter dies at 3,000 rpm

Discussion in 'Outboards' started by OldBoater1959, Aug 23, 2015.

  1. OldBoater1959
    Joined: Aug 2015
    Posts: 2
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Freno Calif

    OldBoater1959 New Member

    I have a 1992 175 hp 2 stroke merc. I bought one year ago. Shortly after we got it we started chasing this issue.
    idle--great, wide open-- great 5,000 rpm
    When you ease into the throttle and don't go above 2'800 to 3,400 it acts like it runs out of fuel and dies. But if go above 3,400 and stay above that it runs real sweet. When it quits running all we have to do to start again is put it in neutral and turn the key and starts up no problem at all. We have replaced all fuel lines from tank and on the engine. New fuel pump, new fuel filter. Pulled the fuel pick up out of tank and checked that. Checked the compression in all the cylinders.
     
    OldBoater1959, Aug 23, 2015
    #1
  2. ondarvr
    Joined: Dec 2005
    Posts: 2,935
    Likes: 582, Points: 113, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    Did you clean the carbs?
     
    ondarvr, Aug 23, 2015
    #2
  3. OldBoater1959
    Joined: Aug 2015
    Posts: 2
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Freno Calif

    OldBoater1959 New Member

    No not yet
     
    OldBoater1959, Aug 23, 2015
    #3

  5. gonzo
    Joined: Aug 2002
    Posts: 16,817
    Likes: 1,726, Points: 123, Legacy Rep: 2031
    Location: Milwaukee, WI

    gonzo Senior Member

    It has low and high RPM coil system. Get the manual. It is a several step troubleshooting method.
     
    gonzo, Aug 23, 2015
    #4
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