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  1. Bt Doctur

    Unidentified head squirt

    could be the riser to manifold gasket
  2. Bt Doctur

    Weber 9772SA 4 barrell won't come apart

    did you remove the center post
  3. Bt Doctur

    Is my shifter installed right?

    with the shift shoe facing fwd the prop is locked CCW and ratchets CW for forward gear, turning the shift shaft fully counterclockwise the prop now will lock clockwise and ratchet counterclockwise
  4. Bt Doctur

    carpets test pic

  5. Bt Doctur

    Engine sputters when turned off

    if the engine temp is normal and timing is correct then your probably running lean, get the special too ,not that expensive and open the mixture screw a bit
  6. Bt Doctur

    Bravo 3 u-joint bellows spring

    because the spring is NEVER removed for installation
  7. Bt Doctur

    Mercruiser shift interrupter switch

    the old one was a NO and closed when moved causing a ground to be placed on the neg side of the coil.I believe the newer type is a NC and should be wired in series with the pos side of the coil to interrupt the voltage
  8. Bt Doctur

    2002 5,7 Mercruiser exhaust manifold keeps cracking - 5 times this summer

  9. Bt Doctur

    Mercury mercruiser 170 3.7 Engine stops and won't restart

    test directly to the motor from a remote tank , then report back
  10. Bt Doctur

    Mercury mercruiser 170 3.7 Engine stops and won't restart

    what happens when you connect a remote tank to the engine? If it now runs ok,I have your solution to the problem
  11. Bt Doctur

    Wiring help

    just search mercruiser trim pump wiring
  12. Bt Doctur

    Shift Cable Question

    search OMC Cobra shift cable
  13. Bt Doctur

    New Engine - No spark

    #1 atTDC compression, slowly turn motor to align the timing mark on balancer with the "0" on the timing tab or notch . Install rotor facing #1 in the cap. Install dist ,if not fully seated turn oil pump shaft slightly until it does sit flush with manifold. Plug wires are clockwise from #1 in...
  14. Bt Doctur

    Outdrive Lower piece broke off.

    a new section can be welded back on but as is will not affect the operation
  15. Bt Doctur

    Bellows compatability

    the exaust bellow or the exaust sleeve will work for either
  16. Bt Doctur

    No start

    if Alpha there is the shift interrupt switch that ground out the coil.then depending in what Thunderbolt you have the ground lead for the amplifier may have broken Have you done the thunderbolt testing sequence?
  17. Bt Doctur

    Fuel Transducer Location?

    you have a carb and a mechanical or electric fuel pump. what is the actual issue.?
  18. Bt Doctur

    Impeller pump cover

    rubber does not corrode ,it just melts running warm, after about 100 hours of use over time it overheated and water was in the cylinders, so i inspected t How warm ?if you ran it over 140 or 160 you caused the water in the cylinders
  19. Bt Doctur

    Model year 2012 Honda BF40A charging system ions

    start with painting/taping the battery lugs and cable connections RED most times the charging system is AC voltage to the rectifier. Start there , disconnect. the yellow leads and read the AC voltage,If in spec reconnect and read the DC voltage. if 0 rectifier has failed
  20. Bt Doctur

    Starter Slave Solenoid

    should be 2 cube relays port side just aft of the throttle body, there also is a thin rectangular fuse holder also
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