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  1. Bt Doctur

    2006 Mercruiser 4.3 no power to Fuel Pump

    Just spoke with Mechanic who said that the Fuel Pump should run Automatically when the key is turned to start position. But have never heard it running before. He thought the Fuel Pump power comes from a Get another mechanic, elec pumps need a pressure switch to activate the fuel pump. Will...
  2. Bt Doctur

    Flywheel not engaging?? Mercruiser

    A well known fact that trying that could result in a sheared nose bolt requiring complete disassembly to repair the crankshaft. From the video it sounds like the stater motor is good and also the bendix is kicking out to the ring gear. So, if it is water ingested the bendix gear is bad or the...
  3. Bt Doctur

    Gimbal bearing/bellows?

    https://www.manualslib.com/manual/797538/Mercury-Alpha.html?page=10
  4. Bt Doctur

    Volvo Penta AQ131A & 275 OutDrive

    https://www.manualslib.com/products/Volvo-Penta-Aq131-3967740.html
  5. Bt Doctur

    gen1 upper gears for ratio same as gen2?

    due to the seal design and upper case design GEN II gears will not work in a Alpha1 case
  6. Bt Doctur

    Gimbal bearing/bellows?

    I seriously doubt your transom being 2 1/4 thick does have some wood in it
  7. Bt Doctur

    Overheating at 30mph

    Have you checked the flush port making sure the cap is tight? You could be sucking in air
  8. Bt Doctur

    Alpha One Gen Two Thrust Hub Removal

    what are you calling the thrust hub? Bearing #15 is pressed onto the gear and usually comes out with the carrier
  9. Bt Doctur

    Alpha One Gen Two Thrust Hub Removal

  10. Bt Doctur

    Alpha One Gen Two Thrust Hub Removal

    Try spraying with a penetrating oil and try rocking it side to side?
  11. Bt Doctur

    Alpha One Gen Two Thrust Hub Removal

    not a thrust hub, its actually part of the reverse gear
  12. Bt Doctur

    Mercruiser alpha one gen 1 buzzer system

    low outdrive oil if equipped with the res bottle
  13. Bt Doctur

    Dual Battery ... Wiring fail or I just don't understand?

  14. Bt Doctur

    Volvo SX-M Trim Tilt Control Unit Problem

    If it works hardwired when you test it, then just rewire it to mercruiser and have the switch direct to the solenoids
  15. Bt Doctur

    MerCruiser Alpha One Gen II - shifting neutral

    Verify the interrupt is working by pushing the arm and see if the engine stumbles
  16. Bt Doctur

    Original sterndrive ratio for the Glastron/Carlson CV-27

    Now we have 23" prop, which permits 5000rpms(and more) I am curious, if we put 25" prop - rpms should be reduced by 300 - 400, and we will be near to If your past the rated rpm with that setup you may have the wrong gear ratio
  17. Bt Doctur

    SX outdrive

    Remove the top cover and undo the shift cable, per Bondo place blocks of wood between the hump and the transom. Raise trim SLOWLY. You are frocing the drive off SLOWLY . Increase the length of the wood blocks until drive comes off
  18. Bt Doctur

    Draining the engine

    one on each side...
  19. Bt Doctur

    Water when pulling stern drive

    And that ring is installed with bellows/weatherstrip adhesive
  20. Bt Doctur

    What does this hose do? As well as other issues.

    first pic, -speedo hose second where the hose goes third burnt march stick
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