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  1. W

    Yamaha 25hp 2stroke outboard

    Ok thank you makes sense. I have a video of the boat running in water to see what you think but I am leaning towards a fuel issue. The motor has good spark I haven’t checked the timing yet that is something that I am going to do. Thanks
  2. W

    Yamaha 25hp 2stroke outboard

    Should I buy a new carb or a carb rebuild kit. I have messed with the fuel air mixture and I have the screw about 2 and 3/4 turned out. If I turn it in to about 2 1/2 or 2 it starts to run rough. I think where I have it now is perfect. Could my motor be out of time? I did want to note that the...
  3. W

    Yamaha 25hp 2stroke outboard

    no I still have the same problem. Would it help to replace the jets in the carb even though I know they are clean?
  4. W

    Yamaha 25hp 2stroke outboard

    The fuel tank does not have a vent but I have cracked the cap on the tank while running and I still have the same issue. I have replaced the fuel filter and all fuel lines as well. The primer bulb is not deflated or hard it is in between.
  5. W

    Yamaha 25hp 2stroke outboard

    I have a 1988 Yamaha 25hp outboard and I’m having a problem with the motor bogging down past 3/4 throttle. It seems like it’s a fuel issue. I have cleaned the carb, put new ignition coils on, new fuel pump, new primer bulb and line, and all new fuel lines, and new impeller. Any suggestions on...
  6. W

    25hp Yamaha Bogging Down

    I am also not very sure on how to make an adjustment on the timing. I wanted to figure out how to make an adjustment before I hooked a timing light up to the motor thanks.
  7. W

    25hp Yamaha Bogging Down

    I will look into that. I also wanted to note that when I switch my plug wires around the motor runs better but still Boggs at high rpm.
  8. W

    25hp Yamaha Bogging Down

    I have a 1988 Yamaha 25hp outboard and I’m having a problem with the motor bogging down past 3/4 throttle. It seems like it’s a fuel issue. I have cleaned the carb, put new ignition coils on, new fuel pump, new primer bulb and line, and all new fuel lines, and new impeller. Any suggestions on...
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