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  1. Bt Doctur

    Mercruisier 7.4 litre gas pressure

    Just to add to the mix but has anyone checked the anti-syphon or the electric fuel shut off solenoid? Might try putting a vac gage in the fuel line to see if there is excessive vac present indicating a restriction in the fuel system.
  2. Bt Doctur

    Water on top of Intake Manifold

    And if a vortec 8 bolt manifold the torque is 13-14 lbs
  3. Bt Doctur

    2004 Volvo Penta SX-M1 Outdrive Cracked Bellows.

    Remove the shift cable before removal, this might help https://www.manualslib.com/manual/1870037/Volvo-Penta-Sx-A.html?page=46#manual
  4. Bt Doctur

    Smartcraft wiring

    I know the "Smartcraft System" is new techno stuff but analogs work just as good .
  5. Bt Doctur

    are your filters in the carb and vst clogged with a powder type substance?

    UPDATE Both motors are able to burn the fuel using the 2 micron filters without clogging the carb inlet screen.
  6. Bt Doctur

    DPSM gimbal bearing

    sierra 18-2100 should work
  7. Bt Doctur

    Steering pin replacement

    add the missing grease fitting too `ll locate the instruction but basically you need the SS grease fitting, 1/4 x 28 tap.#3 drill bit (I think) drill with the #3 3/8ths deep, switch to a 1/16 or 1/8 bit . Now drill slowly ,you will see aluminum , then brass, then steel STOP. Tap for the...
  8. Bt Doctur

    1989 Imperial

    where do you hear the click at the starter or on the engine. also called the slave relay/solenoid
  9. Bt Doctur

    Pa escaped prisoner

    Well, if the reward is 20K for just info, how much for a citizen to just take him out?
  10. Bt Doctur

    are your filters in the carb and vst clogged with a powder type substance?

    that filter head shown accepts the OMC filter using the 1x 14 thread that is larger than the mercruiser thread, and will accept all diesel filters. The other job is getting the Racor S3228SUL 2 micron . that one accepts the large bowl
  11. Bt Doctur

    Leak post rock hit

    I agree , a sharp strike knocks the gasket seal off kilter
  12. Bt Doctur

    Omc cobra single shift cable setup?

    https://static-data2.manualslib.com/storage/pdf38/188/18701/1870037/images/sxa_45_bg.jpg
  13. Bt Doctur

    Omc cobra single shift cable setup?

  14. Bt Doctur

    Alpha Gen 2 Shift Cable Removal

    try heat and hammering a metric socket on it .If that fails, drill and retap for the straight tap.NOT A 1/4 INCH PIPE THREAD
  15. Bt Doctur

    are your filters in the carb and vst clogged with a powder type substance?

    I have 3 boats with this issue and may have found a solution. This substance is born from water, ethanol, and gas ,it is a super fine powder smaller than 10 microns but larger than 2 microns. cannot be seen in the gas liquid, does not settle out of the liquid gas either , but will stop gas flow...
  16. Bt Doctur

    Lower unit shaft seal (under raw water pump)

    on a gen ii that is perfectly normal.the cut of the gears force the shaft upwards , The lower seal should be replaced at the same time the water pump is installed
  17. Bt Doctur

    "Pre-Alpha" stern drive bellows and gimbal replacement

    1 you have an active leak, remove the boat from the water Given the age it could be: main bellows, when they leak and water gets to the gimbal bearing it goes bad. shift cable bellow, just leaks water into the boat corroded hole in transom assembly rotted hull you wont know exactly unti you...
  18. Bt Doctur

    Oil pressure drop

    only installing a mechanical gauge will answer that question,
  19. Bt Doctur

    Tune up question - ignition coil part #

    Any automotive 12 coil will work .pretty sure where you are they sell the round coils. do not get one that says "use external resistor"
  20. Bt Doctur

    Remote sticks when going into reverse, but only when in water.

    is the shift interupter working correctly????????????
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