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  1. Bt Doctur

    DPSM gimbal bearing

    sierra 18-2100 should work
  2. 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...
  3. Bt Doctur

    1989 Imperial

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

    Pa escaped prisoner

    Well, if the reward is 20K for just info, how much for a citizen to just take him out?
  5. 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
  6. Bt Doctur

    Leak post rock hit

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

    Omc cobra single shift cable setup?

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

    Omc cobra single shift cable setup?

  9. 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
  10. 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...
  11. 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
  12. 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...
  13. Bt Doctur

    Oil pressure drop

    only installing a mechanical gauge will answer that question,
  14. 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"
  15. Bt Doctur

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

    is the shift interupter working correctly????????????
  16. Bt Doctur

    Steering shaft removal

    the rectanguler box
  17. Bt Doctur

    anyone seen this set up before for an alpha 1 gen II system

    there usually installed to just flush the engine with the motor off,the hose connection must always be capped off so it dosent suck in air
  18. Bt Doctur

    Starter needed 1970 merc inline 6.

    are the bolts straight across or offset? Yhe one listed above if the offset type
  19. Bt Doctur

    Throttle spring on 1981 Mercruiser 120. Courting disaster

    all PULL the throttle and use a spring to CLOSE the throttle in case of a cable failure.try around the thermostst housing bolts, with a longer spring ot the rear carb nuts with a metal extention
  20. Bt Doctur

    454 7.4L Magnum 1989 Crownline Celebrity Help

    need to know the engine serial number first. metal tag just above the starter on the block But being a BB you should have the Bravo drive
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