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  1. Bt Doctur

    Mercruiser 165 shift cable bellows

    FIRST, tell us exactly what your working on If you dont know what your working on post some pics and we can figure it out 165 says nothing but a 4 or 6 cylinder MC1, R/MR, Alpha1 /Alpha GEN II? You mention SS pins and SS hinge pins, that would be the MC1 . Shift bellows will only let water into...
  2. Bt Doctur

    5.7 Serpentine Belt Tensioner

    any GOOD auto parts store will get you the Dayco replacement https://www.daycoproducts.com/stuff/contentmgr/files/17/f63f2a9acd46a2fa5140ade7b2423f73/files/dimensional_pulley_guide.pdf
  3. Bt Doctur

    Ignition Installation Questions TB V

    Rotate dist so the module wires are straight back.
  4. 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...
  5. 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
  6. Bt Doctur

    Alpha one gen one on gen 2 gimbal housing

    the shifting is different too
  7. Bt Doctur

    Merc 3.7/470 voltage reg

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

    Merc 3.7/470 voltage reg

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

    Mercruiser 888 no go over 3000rpm

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

    Mercury 4.3 running rough - ideas?

    cap and rotor
  11. Bt Doctur

    alternator wiring - red and black wire Mercruiser 78403A2

    excite to the left, sense on the right
  12. 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...
  13. Bt Doctur

    Never underestimate the power of the mechanical fuel pump

    No, replaced it with the Carter style electric one
  14. 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
  15. Bt Doctur

    1993 mercruiser 4.3lx dies after a few minutes

    And could also be a filter inside the pickup tube
  16. 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...
  17. 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
  18. Bt Doctur

    mercrusier 350 MAG MPI coupler problem

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

    Crooked boat on trailer

    You need to widen the rollers
  20. Bt Doctur

    Brown dust on exhaust and spark plug look

    How many bolts for the intake manifold? 8 is vortec, 12 is not
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