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  1. alldodge

    Intermittent fuel issue and Ventilation

    The vent is either part of the cap or right next to it
  2. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    Right now we don't know if there is to much fuel (meaning carb problem most likely), or not enough fuel
  3. alldodge

    Intermittent fuel issue and Ventilation

    Sounds like your drawing a vacuum on the tank. The tank vent line is clogged or the vent it self. Disconnect the vent line from the tank and blow thru it
  4. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    When it dies, loosen the clamp on the filter (assuming its under the pump) and see if fuel spills out. If it doesn't, then check antisiphon valve on the fuel tank. Its a barbed fitting that the rubber fuel line is connected to it
  5. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    No oil pressure switch with a mechanical fuel pump. This is why we want to know exactly what you have prior to trying to figure things out Do you have a spin on fuel filter or is it part of the pump?
  6. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    Mod has moved it to the Mercedes section
  7. alldodge

    Losing power on acceleration

    Which 4.3 is it, serial number is best?
  8. alldodge

    Power Trim Help on 3.0 Mercruiser Alpha 1 Gen 2 will go down but not up HELP!

    Missed your last sentence With it not clicking then check the fuse then the wiring
  9. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    Saying it won't turn over, that one issue and look at the neutral safety switch in the throttle handle. I'm wondering if it has an electric fuel pump. If it does one circuit can power the pump while cranking and another keeps it going once started In the pic note the purple/yellow from the...
  10. alldodge

    anodes

    The Mercathod system works if its working properly. Only way to know if it is is to measure with a digital meter and a special probe. Fresh Water Areas - 620 - 1180 Millivolts with Digital Meter Salt, Polluted or Mineral Laden Water Areas: 750 - 1180 Millivolts with Digital Meter And Note...
  11. alldodge

    1974 7.5 spark issue

    Its the opinion thing. I like Champ but many don't.
  12. alldodge

    1974 7.5 spark issue

    Your in the OB section and listed a 7.5 Do you mean a 7.4 Mercruiser? If so, I would run Champion or AC but that's just my opinion. NGK are fine but I just don't use them. My 1995 7.4 came with Champion and when replaced after 22 years they still look good Edit: your might be talking about a...
  13. alldodge

    Power Trim Help on 3.0 Mercruiser Alpha 1 Gen 2 will go down but not up HELP!

    Should use 10W30 or 10W40 before straight 30W What your experiencing is the seals in the trim cylinders are binding. Get the rebuild kit and should be good
  14. alldodge

    Mercruiser 3.0L mercarb 2 barrel Help!!!

    You might be running out of fuel. What is your motor serial number?
  15. alldodge

    anodes

    Boats that sit in the water need anodes. The type (zinc, aluminum) depends on hull and drives. Outdrives are made of aluminum and most need aluminum anodes to help protect. The boat also needs a Mercathode or other for best results
  16. alldodge

    Oil Pressure sender/switch question

    Yes and No The sender and switch is sort of connected in the same area (not housing). It is usually located near the remote oil filter is connected at the block by a Tee fitting. If you order one you only get the one you ordered, not both Don't know your serial number but item 4 is the...
  17. alldodge

    Can someone review my boat wiring diagram?

    Buss bar for ground is good, note it can come from the Neg side of the Bat or from the Neg side of the fuse panel If you want to connect and forget you want to use a ACR. This way no need to switch Bats. The switch is there to be used ONLY when needed to start motor and the normal start Bat...
  18. alldodge

    Overvoltage error on Kohler Generator

    Not knowing originally you were seeing 150V was wondering if the 60Hz was higher and it may be causing a over voltage. If Hz was higher this would mean the motor was running at a higher RPM
  19. alldodge

    Exhaust Temp sensor 3889526 Spec?

    Get a short piece of clear hose, double barbed fitting and couple of clamps from a hardware store. Disconnect the hose going to the HE coming from the raw water pump and place it inline with the hose. Then run the motor to see if you see air bubbles
  20. alldodge

    Alarm Going Off for Mercruiser 350 Mag MPI

    I'm with Earl, your motor needs to be scanned for codes. I would suspect the water pressure sensor or exhaust overheat. Its not the gear lube because that one went to a 2 beep and not constant
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