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  1. 64Amphicar

    1986 Mariner 40 HP Model 40ELO Fuel Pump

    Is that the Part Number 43113T Manufacturer Mercury Quicksilver Or is it the Sierra Part #18-7334 or Sierra Part #18-7349. These two also come up as fuel Pumps for this engine. That is the question I need help with.
  2. 64Amphicar

    1986 Mariner 40 HP Model 40ELO Fuel Pump

    Photo of the fuel pump side.
  3. 64Amphicar

    1986 Mariner 40 HP Model 40ELO Fuel Pump

    A new water pump has been installed, the springs, diaphragm and other parts inside pump do not look so good. thought it be better just to replace the pump. Just having trouble with the correct fuel pump part#??
  4. 64Amphicar

    1986 Mariner 40 HP Model 40ELO Fuel Pump

    Just purchased the engine and it fired right up and ran good. Then it just cut out and will not start. Cleaned fuel filter, new fuel tank and lines. Removed fuel pump and opened up, a lot of stuff trapped inside.
  5. 64Amphicar

    1986 Mariner 40 HP Model 40ELO Fuel Pump

    I have a 1986 Mariner 40 HP Model # 40ELO. I am trying to find the correct part # for the fuel pump. Is it a Yamaha or Mercury fuel pump? Thanks for any assistance.
  6. 64Amphicar

    1972 Mercury 500 50 HP

    Found out that this is a 1966 Mercury 500 50 hp with the magneto. I have replace the spark plug wire with the correct wire core plug set, new rotor, new breaker points and new spark plugs. Still no spark at the spark plugs. Could it be the rectifier and or condenser?
  7. 64Amphicar

    1972 Mercury 500 50 HP

    Marine wire set- silicone, I was told they were correct, old ones were wire.
  8. 64Amphicar

    1972 Mercury 500 50 HP

    I have removed the Magneto and replaced the breaker points, put on new rotor and new plug wires. Have spark from the terminal on the side, but no spark from plug wires. These are new 7mm plug wires. Any advice??
  9. 64Amphicar

    1972 Mercury 500 50 HP

    Will this switch work or will I need to find one for a Mercury Engine? I now realize why he gave me this pontoon, but if I can get it going it will be great for the grandkids!! Sorry dealing with al my questions. Thank You
  10. 64Amphicar

    1972 Mercury 500 50 HP

    I have the correct wiring harness for this engine, the problem I am having is the ignition switch connections. What is the proper ignition switch for this engine??
  11. 64Amphicar

    1972 Mercury 500 50 HP

    So I have the Orange wire coming from the Magneto thru the wiring harness to the E terminal on the Ignition switch. This needs to be grounded at the Ignition switch??
  12. 64Amphicar

    1972 Mercury 500 50 HP

    This is probably why the guy gave it to me, so I need to put that Orange wire on the Ground terminal at the ignition switch??
  13. 64Amphicar

    1972 Mercury 500 50 HP

    I realize that, that is why I am asking these questions about the wiring at the ignition switch. By putting the Orange wire (Magneto) on the I Terminal at the ignition switch, I have power to the magneto wire when the ignition switch is in the on position. Is this right??
  14. 64Amphicar

    1972 Mercury 500 50 HP

  15. 64Amphicar

    1972 Mercury 500 50 HP

    I was given this pontoon with this engine mounted on it. It had an Evinrude 40hp on it before. The pontoon is a 1995 Tracker. He had replaced all the wiring harnesses with Mercury wiring harnesses for this engine. The ignition switch is also aftermarket. I have the Red(Battery) wire attached to...
  16. 64Amphicar

    1972 Mercury 500 50 HP

  17. 64Amphicar

    1972 Mercury 500 50 HP

    The ignition switch is mounted on the dash, not in the remote control. Looks like the throttle/shifter lever has been replaced with an after market one. It is dark here, but I can get some pictures tomorrow.
  18. 64Amphicar

    1972 Mercury 500 50 HP

    That looks like what I have, now I need to figure out the wiring at the ignition switch. The diagram above shows A B C D E F my ignition switch has M B M C A I and wiring harness has RED, YELLOW,WHITE,GREY, BLACK, BROWN and ORANGE wires. All have been disconnected so I am not sure which wire...
  19. 64Amphicar

    1972 Mercury 500 50 HP

    I am not sure what I have, there is no coil or switch box on this engine. It was given to me and all I know is from what I have been finding online. The only wire to the distributor/magneto/ignition driver is the grey one that has been spliced to an orange one coming from the wiring harness. Any...
  20. 64Amphicar

    1972 Mercury 500 50 HP

    That # is 2106695 I was given this engine and was told it was a 1972, I do not about the year, just want to get it running.
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