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  1. 9

    F4 water issue

    I have never messed with a 4hp 4 stroke so not much help. but I do not think the TT should be that hot, and should not be having air or steam coming out leak down test might tell if head gasket is a problem
  2. 9

    F4 water issue

    if you replace the pump housing, cup, impeller and wear plate along with the gaskets and orings, and make sure the pipe sits in the bushings at pump and in powerhead, that is all you can do. unless the pipe has a hole in it. if you have air or steam coming out the TT, I would think head gasket...
  3. 9

    Stalling

    need to monitor the lift pump to see if it runs as it should or maybe sucking air and cannot keep up not sure, but maybe recirculation valve letting too much by
  4. 9

    Yamaha 2008 90TLR oil injection

    well I was totally wrong on this motor. what can I say, but sorry. but I would think that the oil tank should have a drain on it coming from the very bottom. water is heavier so that should come out 1st. as it drains the alarm should sound. once completely drained you pull the float assembly...
  5. 9

    Yamaha 2008 90TLR oil injection

    drain the oil into a clean glass jar so you can see any condensate/moisture. if it is good oil you can put it back in after turning on the key and timing how long it takes for the pump to fill the tank back up. the alarm should sound when low and stop alarming when filled back up
  6. 9

    Yamaha 2008 90TLR oil injection

    and keep the tanks and strainer clean. they have a drain to help with this
  7. 9

    Shift Rod O-Ring - Part of Water Pump Service?- 2017 Yamaha F25LWTC

    I would think that o ring would be normally replaced when resealing the lower unit, not doing a water pump
  8. 9

    1987 150 pro v

    might want to explain that a little better, and ask a question if you have one
  9. 9

    Yamaha stumbles at high rpm

    seafoam shock treatment should be 1 pint of seafoam to 1 gallon of gas. there are a lot better fuel treatments available to help clean fuel systems and 2 stroke motors and you still have not given a motor ID so we still have no idea what motor you have
  10. 9

    Yamaha stumbles at high rpm

    is this a F225? full motor I D helps others know what motor you are dealing with. and I never heard of running a 50/50 mix of seafoam before
  11. 9

    Yamaha with Water in Oil

    what oil has water in it? PT&T oil, 2 stroke oil, or 4 stroke oil? always best to give info of what motor you are talking about
  12. 9

    Strange power loss 1991 Yamaha 25MSHP

    what caused the motor to flood? and what caused the gasket to bust? Maybe something you did or did not do that is causing this problem, so hard to tell what the is. Does it have good and equal compression/ does it have proper timing and advancing as it should(in spec)? Good compression, good...
  13. 9

    Strange power loss 1991 Yamaha 25MSHP

    I am not understanding how running out of gas could flood the carb or bust the gasket
  14. 9

    Over heating at idle/low speeds

    did you ever loose pieces of an impeller in the past
  15. 9

    Engine not starting when warm

    How many different 115 Suzuki motors have been built over all the years Suzuki produced outboards? And which one do you have
  16. 9

    2004 Yamaha F 150 Non-clearance or Clearance Engine

    if handy you can tear apart and see what all is needed to fix
  17. 9

    9.9 HP Yamaha gets no power in reverse

    Boscoe will drop by and tell what USA model is the same as yours or at least real close but you will still need to find what is not doing what it should be doing to get the lower unit into reverse
  18. 9

    9.9 HP Yamaha gets no power in reverse

    so not from over here(USA) maybe someone else can see parts diagrams
  19. 9

    9.9 HP Yamaha gets no power in reverse

    I would think from what you wrote, it is not going into reverse, so you will need to find out what in the linkage or the lower unit is not doing what it should be doing. Oh yea it would help if you tell what 9,9 the motor is
  20. 9

    2003 Yamaha 2stroke suddenly has no reverse

    that was the problem with the C60 I talked about , need to inspect the shaft if the cable is good pic of the c60s lower part of shift shaft I pulled out of the lower unit
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