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  1. Bt Doctur

    Advice on Removal of manifold Mercruiser.

    couple of whacks with a dead blow hammer will work to free it up
  2. Bt Doctur

    Have spark and fuel, can't get the rebuilt engine to start

    All the spark plugs wires are now and I went through and double checked they're all routed to the correct cylinder. Not knowing the engine your working on so: v6 165432 clockwise IL4 1342 clockwise v8 1,8,4,3,6,5,7,2 clockwise Verify TDC compression again for #1 , where ever rotor is...
  3. Bt Doctur

    2006 Monterey Boat with a 4.3L Mercruiser TKS Engine S/N 0w354897 Mysterious Loss of Power

    worked on one with a similar issue, using a remote tank fixed the issue. Further testing revealed a stent like screen in the pickup tube, remove the tube, unscrew the 90 deg fitting and you will find it clogged. When running the pump is sucking up debris clogging the screen, when shut off the...
  4. Bt Doctur

    How to Diagnose No Fuel at Carb 7.4

    and there could also be a stent filter inside the pickup tube thats clogged up, the tube unscrews from the fitting
  5. Bt Doctur

    Mercruiser 888 shift interupt

    message me about it .The oem ones dont exist new
  6. Bt Doctur

    How to Diagnose No Fuel at Carb 7.4

    thats the accelerator pump . place a oz or 2 directly into the carb to verify motor will start use a remote tank connected to the fuel pump ,retest If motor now runs work back to the tank filter housings do corrode under the remote housing and leak air into the fuel lines, remove filter and...
  7. Bt Doctur

    No Gimbal Bearing Grease Zerk or Plug at all???

    look for a small plug torx or allen on the stbd side where the fitting usually is
  8. Bt Doctur

    V-P 5.7 Gxi intake on 383 stroker?

    I have cast Dart heads
  9. Bt Doctur

    Shiftcable question A1G2

    with the drive off and the shift rod pointing straight, turn the U joints CCW and tell us witch way the prop is turning
  10. Bt Doctur

    Shiftcable question A1G2

    when in a straight line the prop locks CCW this is forward gear when turned fully CCW the prop now locks CW and this is reverse, Cant make a mistake on the GEN II unless you had previously removed the shift rod from the lower unit This is a Alpha but the GEN II is the same
  11. Bt Doctur

    GIMBAL

    Quicksilver 803099T1 Stern Drive Transom Seal Repair Kit for MerCruiser Alpha One, Gen II Stern Drives with Exhaust Bellows under $270 for the parts, about 4-5 hrs labor if nothing goes wrong
  12. Bt Doctur

    How Do I Remove a Stuck Gimbal Bearing?

    spray with a penetrating spray, the with the pic of the puller .replace the wood with 3/4 or 1inch steel
  13. Bt Doctur

    Single point drain

    Maybe? was the motor at operating temp when you introduced the AF? Something must always exit the exaust system so the rubber components dont melt. Seeing pink in the exaust does not mean it diluted the water in the block. You will find out in the spring
  14. Bt Doctur

    Will a 3.0 run on 1 spark plug???

    verify the plug firing order 1.3.4.2 clockwise
  15. Bt Doctur

    Crack in 6cyl inline 1970 165HP, next steps?

    the crack happens from poor/no/improper winterizing. It is repairable by grinding a V in the crack, cleaning with Acetone and JB weld. Done correctly is will hold for many years
  16. Bt Doctur

    Alpha gen1 ? Help to identify with pic

    no need to remove the ground washer.
  17. Bt Doctur

    Boat leaking salt water - steering pin?

    looking at that much corrosion I think your in danger of a seriously leaking outer housing
  18. Bt Doctur

    Mercruiser Gear reduction and prop

    if it was done correctly ,your safe. If done with the AF thru the muffs without draining everything first, your st risk of freeze damage
  19. Bt Doctur

    Mercruiser Gear reduction and prop

    1.52 is usually on the 5.7 260Hp motor. A 5,0 will usually run the 1.65 or 1.84 ratios being only 200 or 220 hp You may have to remove the drive and turn the inputshaft by hand to determine what ratio you actually have
  20. Bt Doctur

    Is a 4.3 Mercrusier Waterpump the same as a 4.3 Chevy waterpump ?

    and it matters if your timing cover is metal or plastic
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