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  1. 9

    2003 Suzuki DF140 Nothing Out of Telltale.

    I would think that a stuck open PRV would dump too much water at low RPMs but not at higher RPM, if the water pump is working properly
  2. 9

    Sync, link timing on a 1986 90 hp (90AETL Euro)

    I believe he is talking about throttle linked to the movable stator plate that adjusts the timing on older motors
  3. 9

    Sync, link timing on a 1986 90 hp (90AETL Euro)

    I would guess it would be like most others I have seen, close but not touching at idle position.
  4. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    get the manual part number from post#6 and do a web search to see what you can find. Yamaha's manuals are copy righted material, go luck finding them free
  5. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    trace the wires back to the lighting coil or rectifier regulator to see if it runs off of the DC side of RR or the AC side. I would think that your battery charging would be having a problem if the RR only puts out 7 V better yet see what your service manual says the specs are for that...
  6. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    Is that peak voltage, DC, or AC? what are you using to measure the voltage and where are you placing the meter leads? was the heater unit connected while testing?
  7. 9

    2005 Yamaha 115 losing fuel pressure

    lack of fuel will not prevent the starter from turning the motor over you said the motor runs fine until you shut it down and let it cool off. pump the bulb before trying to start it up again. and how can you pump the bulb if the bulb is flat/
  8. 9

    2005 Yamaha 115 losing fuel pressure

    so apparently you have not tried pumping the primer bulb before restarting to see if that helps. try it and get back to us. also if the bulb is being sucked flat, you have a restriction
  9. 9

    2005 Yamaha 115 losing fuel pressure

    have you tried pumping the primer bulb before restarting the motor to see if that keeps it from happening? Does this motor have a fuel cooler? if it does is it working properly?
  10. 9

    Z150TRXA

    I forgot about that small oil pump to the VST. no idea what and when it runs by the way I was talking about fuel pumps before
  11. 9

    Z150TRXA

    maybe you are thinking oil level low not oil pump low.. sounds like the lift pump is not keeping the VST full at low RPM. restriction or sucking air that pump may not run all of the time at low RPM
  12. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    is there voltage to that heater unit while the motor is running?
  13. 9

    Gas leak from lower unit

    there should be no fuel in the lower unit, so why should it be leaking from it
  14. 9

    94 15 yammy

    that looks too dark to be fresh/clean lower unit lube. what does it smell like? lower unit lube stinks so you will be able to tell if it is that does water normally come out of that hole while running on the muffs? if so that is just a drain hole so water does not sit in that area. is this...
  15. 9

    Water in lower? Yamaha 4

    that 1st pic looks like a lot of water flowing out around the lower unit. I am not familiar with those small outboards, are you sure you have the tube shoved down into the water pump seal properly? maybe it moved as you put the lower unit on
  16. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    if the choke plates do not open up as the should, you could see that if you looked. I have no idea how that system works since I never looked at a motor like it or a manual for it
  17. 9

    1998 Yamaha F50 fuel enrichtment system how does it work?

    Robert, this system he has is no where close to what you and I have on our motors. he needs to read up on what Boscoe sent him
  18. 9

    Where to install temp sensor on Yamaha 175 v-max

    what are you calling the zone
  19. 9

    Carb Roller Part # for Yamaha 25ESD

    well that looks to me like they are talking about just 9.9 motors. no wait a minute it does not. hard to believe most 2 strokes would have the same part how do you remove the roller and put the new one on?
  20. 9

    1990 Yamaha 250 VX 76. Power drops off.

    well what all does this stator do lighting coil furnishes voltage/current for battery charge coil furnishes voltage to CDI Pulser coils tell CDI when to fire spark plugs Edit: apparently all are set in one piece on this old motor
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