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  1. Bt Doctur

    2003 4.3L warning alarm horn TB-V alpha

    So I taped over the horn to muffle it so we could continue boating. A very bad practice. low/no engine oil pressure low/none outdrive oil high engine temp/poor cooling
  2. Bt Doctur

    470 coil problems

    a voltmeter hooked to the Alt output , then if necessary to the + side of the coil. This should be thru the resistance wire that comes from the electric choke. Full voltage is applied to the choke element And if the coils are indeed burning out from overvoltage, fix the alt or install a...
  3. Bt Doctur

    Mercruiser 3.0 runs strong for 45 minutes then loses power??

  4. Bt Doctur

    Mercruiser 3.0 runs strong for 45 minutes then loses power??

    Have you run it on a remote tank?If it runs perfect on the remote I might just have the answer you seek., see my post
  5. Bt Doctur

    Finding these on I/O`s but may apply to all installed tanks

    The language used after finding it is not approved here, That why I think some engineers should have never been given crayons
  6. Bt Doctur

    Finding these on I/O`s but may apply to all installed tanks

    plagues by no pickup, stalling, and you have tried all the normal items, then you might also have this Today, 04:51 AM...
  7. Bt Doctur

    1983 Four Winns mercruiser 488 3.7L overheating HELP

    Q, thats attached to the cam ans made of aluminum , Something in the used drive or a bad head gasket
  8. Bt Doctur

    starter lockout with rams full out

    Exactly how did the gear fail ,broken pieces or melted flat
  9. Bt Doctur

    Lower Shift Cable Adjustment - Am I doing it right?

    Locked in F and R , sounds ok
  10. Bt Doctur

    Couple questions about winterization..

    not exactly, if carb`d just spray fogging in thru the carb, EFI and MPI should run the mix . Aside from the rings it protects the valves with a coating of preservitive And you also have to drain the block if rwc and the raw water side of the heat exchanger if fwc and maybe the elbows. If you...
  11. Bt Doctur

    Bad coupler, warped splines? Alpha one gen 1

    usually it still not aligned correctly. Does the tool go in fully and bottom out?
  12. Bt Doctur

    Shift Interrupt Switch Connection

    you might have to wire the 2 wire in series with the coil power wire instead of a ground type
  13. Bt Doctur

    Alternator output

    55 amp give or take
  14. Bt Doctur

    Info on Mercruiser 0A494867 170Hp engine.

    back in the day when you could still download then and save them
  15. Bt Doctur

    Info on Mercruiser 0A494867 170Hp engine.

    produces a square wave dc to mimic the ac sine wave the 4,3 on average is 175-200 hp , You will have to make new front motor mounts and/or stringers. Wiring should be plug and play at the harness side. Drive gear ratio should stay the same.
  16. Bt Doctur

    2000 Sea Ray 5.7EFI alpha 1 gen2

    The very early service books state that unless the bearing has spun in its bore you flip it sideways in the slots for replacement. What the manual did not tell you is be careful because the grease hole in the bearing can be reversed and you cannot grease the bearing, this led to a lot of bearing...
  17. Bt Doctur

    Info on Mercruiser 0A494867 170Hp engine.

  18. Bt Doctur

    Info on Mercruiser 0A494867 170Hp engine.

  19. Bt Doctur

    Info on Mercruiser 0A494867 170Hp engine.

    you people need to read up on stator charging systems. The stator generates AC voltage and the rectifierchanges that to DC voltage
  20. Bt Doctur

    7.4 L29 idler/tensioner grenaded, issues?

    had one explode on my ford truck and 2 in customers boats A freak occurance but you still have to watch the gauges WHILE SOMEONE ELSE WATCHES THE TOWED PEOPLE .
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