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  1. Bt Doctur

    Steering shaft removal

    the rectanguler box
  2. 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
  3. Bt Doctur

    Starter needed 1970 merc inline 6.

    are the bolts straight across or offset? Yhe one listed above if the offset type
  4. 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
  5. 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
  6. 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...
  7. Bt Doctur

    Advice please

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

    230A condenser failure

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

    water sep filter head

    the racors are 1 x 14
  10. 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
  11. Bt Doctur

    water sep filter head

    building a special filter to test on fuel systems,can only get 2 Micron in this thread size.
  12. Bt Doctur

    1987 Bayliner Capri 1950 OMC Cobra bowrider starter bolt broke off.

    Not without removing the motor
  13. Bt Doctur

    water sep filter head

    Mod Edit: Where can I find an OMC filter head 1in x 14 thread size? pvt message only Ed
  14. Bt Doctur

    Another prop slipping thread

    V6 usually pushes 200 hp and the 1.65 is the correct ratio, You wont spin a 1.5 up to rated rpm unless you running a 14 x 11 P prop
  15. Bt Doctur

    the ever elusive alpha 1 gen 1 service manual…..

    search this way mercruiser service manual 6 in pdf
  16. Bt Doctur

    A1 G1 - New shift cable doesn’t thread even though it appears same size as old one

    Remember it`s a STRAIGHT TAP NOT PIPE THREAD
  17. Bt Doctur

    MR outdrive - no reverse after changing lower shift cable

    Well then, if you had the control box in full fwd and the drive in full fwd when you installed the drive then youmissed the roller in the slide or improperly installed the cable or improperly adjusted the cable
  18. Bt Doctur

    MR outdrive - no reverse after changing lower shift cable

    Did you install the cable fully seated in the housing. cant have more than 2 threads visable
  19. Bt Doctur

    4.3 low pressure fuel pump

    those electric pumps are all I will use. long lasting and trouble free. I`ll try to get a pic of my setup tomorrow. What carb do you have on it?
  20. Bt Doctur

    Lower shift cable kit question

    wouldnt even bother with the plastic guide if whats in there is good
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