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  1. 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 .
  2. Bt Doctur

    3.0 liter 4 cylinder engine does not turn over

    Exactly how was it winterized? pull the sparkplugs, stick a thin clear hose in the plug holes and gently suck. Does water show up? If Yes, cracked block and or manifold. You say oil level is full, are you sure not overfilled?
  3. Bt Doctur

    Can't get over 3000 RPM

    replace the sparkplugs and wires
  4. Bt Doctur

    Prop Shaft Spins But Propeller Does Not

    If you have the rubber hub ,its doubtful you can spin the prop. If you have the Flo-Torq hub that is plastic you would see if it was broken apart with the prop removed?
  5. Bt Doctur

    Grounding issue no spark

    With the paper between the points and 12v to the + side of the coil, jump the points contacts quickly off and on , you must get a spark. Remove the paper, crank the engine ,you must get a spark. Spark in the 1st test and no spark in the second test indicates the points are not making contact...
  6. Bt Doctur

    Penta 4.3 no voltage to FP relay

  7. Bt Doctur

    Penta 4.3 no voltage to FP relay

  8. Bt Doctur

    water leak

    WAG, where the trim wires go thru?
  9. Bt Doctur

    VOLVO PENTA D4 EVC no throttle in forward gear

    just checking all the connections in the canbuss wiring for corrosion or looseness There nothing like a pure cable controlled system
  10. Bt Doctur

    Mercruiser 3.0 only stays running with key engaged?

    follow the purple wire. if you have 12 at the ign switch then go to the mail harness plug at the engine. pull it apart to inspect
  11. Bt Doctur

    120 Mercruiser 2.5L - No spark

    dont forget the wire for the shift interupter ,those are the 2 brown ones on the neg side of the coil, interupter and tach
  12. Bt Doctur

    Cant get the outdrive so slide on!!!!!!

    answer post 2 and read post 3
  13. Bt Doctur

    2003 Baja Help Needed

  14. Bt Doctur

    2003 Baja Help Needed

    look for gold colored discs in the bilge
  15. Bt Doctur

    Cant get the outdrive so slide on!!!!!!

    Did you align it ?
  16. Bt Doctur

    Parts interchange between chevy smallblock family and mercruiser 140 3.0 liter

    a post office truck usually
  17. Bt Doctur

    Mercruiser/Volvo plastic dist repair item

    https://www.amazon.com/Dorman-90449-Distribution-Repair-Plate/dp/B00BQAJNWO/ref=sr_1_1?dchild=1&keywords=4.3+distributor+repair+plate&qid=1627225916&sr=8-1
  18. Bt Doctur

    Mercruser alpha 1 gen 1 stern drive issues

    do you see water leaving the drive ? You may have missed the copper tube into the guide tube
  19. Bt Doctur

    Lower Shift Cable Bell Housing Thread Size?

    You did unscrew the old one to remove the cable?
  20. Bt Doctur

    2000 Mercruiser 7.4 mpi limited to 3900 rpm

    firing order wrong, 5 and 7 reversed
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