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  1. 9

    What is this tube for on a Yamaha 60LB

    is there a hole in the end piece or is it a solid plug? if a hole, need to plug or water will come out underway carries water pressure from lower unit front edge to indicate speed
  2. 9

    Fuel mixture WOT 1986 Yamaha 30 hp 2 stroke

    back when I was fighting an over rich condition at high rpms on my C40, I never found any info on measuring the size of the jet holes. so I bought a new one and measured it and my old ones with different drill bits to find out someone drilled out the main jets
  3. 9

    Yamaha 115 4 stroke, starting problem

    if it is already in neutral to start, why are you trying to put it in neutral
  4. 9

    2007 DF 300 HP Suzuki has 1 beep every 5 seconds

    I did not ask if tach lights showed anything. I asked what was beeping, because you said the motor is beeping. I do not remember seeing any motor that has a device on it that would beep. ignition switch or a tach could have a device that makes noise. Suzuki some times have beeping to notify the...
  5. 9

    2007 DF 300 HP Suzuki has 1 beep every 5 seconds

    is the engine beeping or the tach itself? Could it be a maintenance time warning
  6. 9

    Worth fixing 1998 Yamaha 25HP 4-stroke?

    compression or a leak down test will tell if the cylinders seal properly. pulling the stat and head to inspect will give you an idea of how bad the cooling passages are
  7. 9

    1996 Suzuki DT65. SEIZED!

    some have no idea the crank and rods come as a set. and there are very specialized tools needed to take apart and put back together. getting the pistons out of a motor that will not turn/rotate is not an easy task
  8. 9

    Yamaha cam roller part number?

    just pry it off but I would wait until you have the other one in hand
  9. 9

    High RPMs but low speed

    fouled boat bottom or extra weight . water getting into the pontoons ? spun prop would mean high RPMs with little forward motion so would a damaged prop
  10. 9

    1996 Suzuki DT65. SEIZED!

    rusted crank and bearings? what do you plan on doing to clean that all up? or junk the motor?
  11. 9

    2003 Suzuki DF140 Nothing Out of Telltale.

    well if 18 goes to the TT then follow that back to see if the place it comes from is plugged up. it does not look like it has anything to do with the oil and fuel cooler
  12. 9

    2003 Suzuki DF140 Nothing Out of Telltale.

    can you tell which hose on that parts diagram goes to the tell tail? I know nothing about this motor, but If I had to guess , I would think that the fitting # 6 at the bottom of the diagram is where the water comes out of the block flowing to the fuel and oil cooler
  13. 9

    1996 Suzuki DT65. SEIZED!

    with an overheat, I would pull it apart to inspect the cylinder walls and pistons. but a locked up lower unit could also stop a motor from turning, drop the lower unit to rule that out
  14. 9

    1988 Yamaha 175 screaming idle at startup

    I would be looking at the throttle plates and linkage to see if they are not closing back to idle position, and look to see if the timing linkage and plate it loose or stuck a WOT timing
  15. 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
  16. 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
  17. 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.
  18. 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
  19. 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...
  20. 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?
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