Ambac M-50 Fuel Injection Pump: 50-2/4A-80A-9540A Manuals

8 thoughts on “Ambac M-50 Fuel Injection Pump: 50-2/4A-80A-9540A Manuals”

  1. gmg says:

    If no fuel to injectors, then bad injection pump. We sell new and refurbished. The fuel seems to be flowing through pump and back to return.

  2. Eric Teets says:

    I need some advice on my mep 003a generator. When I first got my generator it ran till I found an oil lead after fixing it It wont start. Have cleaned and replaced filter units no fuel going to the injectors, Fuel does cycle to the storage tank. Can u help me>

  3. gmg says:

    Have you checked spring, governor system? We have Ambac and MEP manuals on our site for free. There are detailed troubleshooting steps in both.

  4. Steven Moore says:

    It appears that my throttle is stuck open I move the throttle control back and forth but it has no effect and gen starts and run but all black smoke looks like injector pump is wide open

  8. Jean Claude Viaud says:

    My Jean , I want to buy one injector pump use or new
    M50 – MEP003A -50-2-4A-80A-9540A

    Thanks

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