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  1. Bt Doctur

    Leak post rock hit

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

    Omc cobra single shift cable setup?

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

    Omc cobra single shift cable setup?

  4. 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
  5. 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...
  6. 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
  7. 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...
  8. Bt Doctur

    Oil pressure drop

    only installing a mechanical gauge will answer that question,
  9. 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"
  10. Bt Doctur

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

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

    Steering shaft removal

    the rectanguler box
  12. 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
  13. Bt Doctur

    Starter needed 1970 merc inline 6.

    are the bolts straight across or offset? Yhe one listed above if the offset type
  14. 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
  15. 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
  16. Bt Doctur

    how to replace engine coupler on 1985 mercruiser 140HP

    shift into full fwd, remove the outdrive unhook control cables. harness plug, all battery cables, fuel line remove the 2 rear housing bolts, remove the front mount or bolts/lags loosen exaust rubber coupling pull engine up , remove rear housing bolts and cover remove coupler from...
  17. Bt Doctur

    Advice please

    starter solenoid on the starter or the starter slave solenoid?
  18. Bt Doctur

    230A condenser failure

    put a voltmeter on the + side of the coil and read the voltage
  19. Bt Doctur

    water sep filter head

    the racors are 1 x 14
  20. Bt Doctur

    230A condenser failure

    tha capacitors limit and control the arcing from the points. too mush voltage is the culprit What is the coil voltage when running? should be around 9ish because it reduced from the ballast resistor or resistance wire
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