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  1. Bt Doctur

    Engine alignment issue

    did you make sure the doublewound washers were in place
  2. Bt Doctur

    Frustratingly simple question - Mercruiser Ignition Coil 392-805570-1

    The problem is that it is knocking and losing power when hot. This DOES NOT sound like an ignition problem. But if you want to replace the coil use an "Accell "brand v coil
  3. Bt Doctur

    Engine troubles with MerCruiser Inboard out board

    EIM, electronic Interface Module used for 12 circuits, ECM Electronic Control Module used for fuel injected engines
  4. Bt Doctur

    Two black wires after engine swap

    looks like 2 conductor lamp cord wire most likely the trim sender wires for the gauge or the trim pump if it has 2 bullet connectors
  5. Bt Doctur

    Mercruiser 5.0 MPI Shift Interrupter

    Your drive is a Alpha GEN II and uses Manual 14 . Shift interupt for alpha is either a ground to the ign coil or 12 to the electronics to cause the motor to "stumble" to alllow you to come out of gear. Being a MPI computer controlled it applies 12 to the computer to cause a stumble. Manual for...
  6. Bt Doctur

    Mercruiser 5.0 MPI Shift Interrupter

    Not until you tell us what drive is behind the motor
  7. Bt Doctur

    Mercruiser alpha 1 gen 1 shifting issue, regarding shift cable barrel adjuster with locknut (not the larger brass one)

    While thinking this piece is a separate unit, I guess it actually turns the threads Inside the larger barrel adjuster (trunion). Incorrect. the threaded rod is threaded all the way in and the nut secures it, it does not secure the barrel adjuster
  8. Bt Doctur

    Mercruiser 350 MAG MPI Leaking Water

    looks like a incorrect witerization and a cracked drain fitting
  9. Bt Doctur

    1985 Mercruiser 170 / 165 electrical priblem

  10. Bt Doctur

    1985 Mercruiser 170 / 165 electrical priblem

  11. Bt Doctur

    1985 Mercruiser 170 / 165 electrical priblem

    correct there are 3 wires, the main battery cable, the Orange charge output , and main system power
  12. Bt Doctur

    1985 Mercruiser 170 / 165 electrical priblem

    the Red and Orange both connect at the battery terminal post of the solenoid and include the battery cable from the battery You forgot the Red main system power wire
  13. Bt Doctur

    Changed Bellows still have water

    1 the large rubber ring is GLUED in place 2 water inlet O ring is GLUED in place install gasket. shift into Fwd, install drive
  14. Bt Doctur

    Bilge pump upgrade. Bigger hose and wiring needed?

    most builders give you a pump to keep up with your urine discharge. Get a 1500 at a minumun, 1800 is better. Both use 1 1/8 discharge hose, Can have both wired with their individual float switches or both on a "manual " switch Leave whats there now and just add another
  15. Bt Doctur

    whats this?

    You have insufficient privileges to reply here. freqently asked questions section
  16. Bt Doctur

    Shift cable causing stalling?

    Somethings wrong some place. Both shifters in full Fwd meaning the handels are full Fwd for any adjustments. Reverse rotation means you have to shift into reverse to remove the drive. it is the only position the shift shoes are in a straight line .
  17. Bt Doctur

    5.0l exhaust manifold Mercruiser interchangeability

    If you mean will they fit the engines ,Yes You cannot interchange wet with dry exaust manifolds and risers though
  18. Bt Doctur

    Mercruiser 5.0 carburetion problem ...should I drain my fuel tank?

    Why not dump the contents in a clear container and report your findings
  19. Bt Doctur

    Reverse Rack and Pinon Helm direction?

    considering the rack can only be installed one way, reversing the direction is not possible unless you relocate helm to the stbd side
  20. Bt Doctur

    Shift Shaft Bushing issue

    see page 3B -8 #44
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