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  1. 9

    Yamaha 50 HP 4 stroke outboard overheating. Cant solve problem

    or maybe too much is flowing out instead of going thru the motor. I have no idea on where that 4 stroke TT is tied in, but a lot of the old 2 strokes it just indicated that the pump was pumping, and the water coming out was not hot so it did not run thru the motor before exiting the TT And I...
  2. 9

    Yamaha 90 slows down after about 15 mins.

    when did you test the horn last? my C40 has 2 temp switches on it , one to tell the CDi when the motor is warmed up and one to tell when it overheated make sure they both work. but I would check to make sure the timing is not retarding when it should be advanced
  3. 9

    Yamaha 50 HP 4 stroke outboard overheating. Cant solve problem

    you mentioned the stat was not opening, or maybe it was blocked up with some debris. But you did not say you put a known good (tested)stat into the housing? Does this motor have a PRV that could stick open dumping water? are you sure the pipe from pump to power head is sealed to make sure all...
  4. 9

    Yamaha 90 slows down after about 15 mins.

    I would think so, but with an inductive timing light hooked to the individual plug wires you will be able to make sure they are getting steady spark, and see what the timing is doing as long as you mark the flywheel good enough to see where it should be lighting up at. all while the problem is...
  5. 9

    Yamaha 90 slows down after about 15 mins.

    testing things while the problem is there is the only way you will find it. spark on all 3 cylinders is needed. timing monitored also to make sure the timing is not dropping back when this happens. does pushing on the primer bulb do any to help?
  6. 9

    Yamaha 115 Timing Belt

    never did you myself, but seems I read that on some motors you need to move the tensioner very slowly. Utube videos might be a good place to look
  7. 9

    2 Stroke Exhaust...

    and they used plain old 30Wt motor oil
  8. 9

    Yamaha 115 Timing Belt

    get a Yamaha service manual for your motor, they help a lot when working on a motor
  9. 9

    Water pump(impeller) question

    well one of those parts is not correct, either the driveshaft or the impellor
  10. 9

    Clouded gauges???

    I think it was gaugesaver.com or something like that
  11. 9

    2006 Yamaha SX230 Hard Initial Starts

    Oh, not talking about an outboard motor . that makes a difference
  12. 9

    2006 Yamaha SX230 Hard Initial Starts

    I did not even know Yamaha made a 230
  13. 9

    Water pump(impeller) question

    aftermarket parts cause this kind of problem often
  14. 9

    Water pump(impeller) question

    someone put some other lower unit on it in the past maybe
  15. 9

    40tlrb top of motor moves

    nope, not normal. you got bad problems
  16. 9

    Suzuki dt2 no spark

    all of the old school motors I have dealt with that had points also had a condenser. make sure it is good, and make sure the points open and close as they should and are not burned up (make good electrical contact)
  17. 9

    2006 Yamaha 150V Outboard - Bendix Not engaging

    thanks for the updated info on the fix
  18. 9

    2006 Yamaha 150V Outboard - Bendix Not engaging

    stating what you found wrong might help someone else down the road when they have a similar problem
  19. 9

    Tachometer setting help, please!

    did you look at instruction or a manual? http://www.marine-j.com/pdf/faria_tacho.pdf#:~:text=If%20the%20number%20of%20poles%20is%20not%20known%2C,make%2C%20model%2C%20HP%2C%20and%20year%20of%20the%20motor.
  20. 9

    Yamaha 99 idling bad - what's wrong

    is someone moving the throttle? seems to rev up several time in video if the throttle is not moving, then the only thing I can think of is the timing moving
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