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  1. 9

    When removing the reed valve assembly on a 9.9 do you need to replace the gasket or apply sealant

    service manual should have that info My C40 does not have that type of gasket so my manual does not show any sealent in that area
  2. 9

    When removing the reed valve assembly on a 9.9 do you need to replace the gasket or apply sealant

    try to reuse it and see, I would not sure how much a new seal would cost you tho on something that old
  3. 9

    Carburetor

    did you follow the link and sync procedure in your service manual after putting the carbs back on after cleaning? checking to make sure the timing is in spec at idle and advancing as it should is part of that
  4. 9

    Carburetor

    #26 on this 1999 50
  5. 9

    Carburetor

    what is the model number of your motor?
  6. 9

    150 Yamaha 2002 wont rev

    with that prop? hard to say what is going on unless you have seen it happen yourself. if this is a carbed motor, maybe they need cleaning due to a jet being partially plugged causing a cylinder to run lean at high rpm( not good for the cylinder/motor. If it is an injected motor, then maybe...
  7. 9

    150 Yamaha 2002 wont rev

    has this boat and motor with that prop or a different prop ever ran higher RPM before in the past?
  8. 9

    Initial Jetting on Yamaha 50hp 4 stroke outboards

    look up the parts to see what Yamaha says should be in there. I have no idea what F50 you are talking about without a model #
  9. 9

    2016 DF70hp

    need to know if there is fuel in the VST when this happens. Drain the VST to see how much is in there when it shuts down. either the pump has nothing to pump, or the pump is not pumping even if you think you hear it running.
  10. 9

    Buzzer sound at idle

    still no idea what you have, being white in color, maybe a zuk. surely you have a model number you can post
  11. 9

    Buzzer sound at idle

    that is an alarm, not a buzzer. what motor are you dealing with Maybe water in fuel filter, only in neutral on some motors
  12. 9

    Carburetor

    Clean the carbs, sounds like it is running too lean and cannot transition properly to high speed under load
  13. 9

    Engine bogs down under load

    if this thing is fuel injected, drain the VST to see if there is water in there. also are you raising the motor while this problem is happening, or all the way down?
  14. 9

    20 hp year

    yep, you could be using it as a kicker or as the main motor on all different size boats
  15. 9

    Water separater filter options

    I would think a clear one you can see into with a drain would be a good idea myself.
  16. 9

    Engine bogs down under load

    I would guess someone else was backing the trailer down the ramp and the op was in the boat, started the motor once the lower unit was under water
  17. 9

    low compression #2 cylinder - 1988 suzuki dt85

    without good compression in #2, it will not light off and burn as it should n the cylinder. So it dumps fuel and air into the exhaust where it mixes with the hot burning exhaust of the other cylinders and finally burns. causing the noise you were hearing
  18. 9

    Engine bogs down under load

    might explain better why you were running the motor when backing into the river. was the boat still on the trailer at an angle? and was it back at the same angle when trying to load it back up? if so maybe you have water in the tank and it is picked up with boat at an angle
  19. 9

    Yamaha won't shut off

    check to make sure you have a good ground so the switches can kill the spark before it goes to the coils
  20. 9

    Help with Suzuki DT8C model year?

    might try this place https://www.brownspoint.com/store/pc/suzuki/dt8.asp
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