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  1. Bt Doctur

    Mercruiser 3.0 oil pan gasket

    Sierra 18-1239 Oil Pan Gasket for 3.0LX Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. For OMC 3.0L engines. Fits 3.0 L/LX engines Interchangeable with: Mallory 9-61500 Mercruiser Stern Drive 27-810846T 27-810846 OMC Stern Drive...
  2. Bt Doctur

    Volvo Penta Fuel Pump Leaking After Engine Shutdown

    No fuel filter should ever be on a pressure side of a pump, that said , the fuel is not leaking from the suction side. The leak is somewhere else
  3. Bt Doctur

    Alpha one gen one on gen 2 gimbal housing

    the shifting is different too
  4. Bt Doctur

    Merc 3.7/470 voltage reg

    https://www.ebay.com/itm/154489549264?hash=item23f84b71d0:g:qFcAAOSwo6lWHmtC
  5. Bt Doctur

    Merc 3.7/470 voltage reg

    there is a low mount 100 amp that uses your exising balancer pully groove
  6. Bt Doctur

    Mercruiser 888 no go over 3000rpm

    might also be plug wires , cylinder balance will find it
  7. Bt Doctur

    Mercury 4.3 running rough - ideas?

    cap and rotor
  8. Bt Doctur

    alternator wiring - red and black wire Mercruiser 78403A2

    excite to the left, sense on the right
  9. Bt Doctur

    Never underestimate the power of the mechanical fuel pump

    this boat was running this same pump for years before i got the boat. Used it with a dealer reg for short test runs and occassionally the rochester would flood. Thought it needed a rebuild so installed a like new 1409. Worked ok for a while and then it started the same thing so figured it was...
  10. Bt Doctur

    Never underestimate the power of the mechanical fuel pump

    No, replaced it with the Carter style electric one
  11. Bt Doctur

    gm v6 one bank of cylinders not firing

    come on dodge, no magic crystal ball? Betting he didnt connect the spark plug wires
  12. Bt Doctur

    1993 mercruiser 4.3lx dies after a few minutes

    And could also be a filter inside the pickup tube
  13. Bt Doctur

    Stern drive woes

    the shift shaft bushing corroded in half. The threaded portion is still in the lower unit. The drive uses a spacial tool to set it up but you also can turn the drive upside down to set backlash. That drive will feel funny if you turn the shaft , its meant to be forced upward. If you lift and...
  14. Bt Doctur

    Alpha one Outdrive Trim motor works sporadically. Solenoid issue?

    if the solenoids click, then suspect contacts in the solenoid. If they dont, suspect a power conditon
  15. Bt Doctur

    mercrusier 350 MAG MPI coupler problem

    with proper alignment and maintence it will last a long time
  16. Bt Doctur

    Crooked boat on trailer

    You need to widen the rollers
  17. Bt Doctur

    Brown dust on exhaust and spark plug look

    How many bolts for the intake manifold? 8 is vortec, 12 is not
  18. Bt Doctur

    No engine alarms. Can’t find anything in service manual.

    a horn or buzzer will be under the helm. They work on a "ground" . When the temp or oil ground ,the alarm sounds. Switches usually located on the therm housing or intake manifold, oil near the oil pressure sender for the gauge
  19. Bt Doctur

    Brown dust on exhaust and spark plug look

    considering spark plug threads never go into a chamber I`m guessing your using the wrong plugs, extended reach instead of standard length
  20. Bt Doctur

    Alpha One power steering - how to remove cable?

    file:///C:/Users/Edeward%20J/Downloads/_06__Drives_R-A1_83-90.pdf
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