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  1. Bt Doctur

    stuck gen II trim cylinders

    a 3/4 inch plumbers hand brush works wonders
  2. Bt Doctur

    VP DP-SM drain screw leaking

    Grainger has all your O ring needs
  3. Bt Doctur

    Shift cavity water...

    water can enter that cavity from a failing gasket or the gasket surface but another cause is a mis-installed water inlet O ring
  4. Bt Doctur

    stuck gen II trim cylinders

    Should you experience this condition DO NOT USE A HAMMER, even a brass hammer will do damage if you pound on the shaft too hard. There is a tool you can easily modify to safely remove the cylinder.I have found that most other tools do not fit or work . A pitman arm remover tool . With a slight...
  5. Bt Doctur

    Looking for a different distributor than my crab cat dist.

    Any thunderbolt dist can work, just remove the innards. the issue is locating the rotor correctly . its a high voltage switch same as a regular dist cap and rotor. manual shows this and I believe this is #1 rotor position but I think if you place the motor in TDC #1 compression and set the...
  6. Bt Doctur

    anyone have luck with aftermarket v/p fuel pump assy?

    not hard to just replace the pumps themselves
  7. Bt Doctur

    Mercruiser 470 voltage regulator smoking

    If you go with Breezeworks, remember to center the pully on the balancer. The link i posted uses the oem balancer and pully groove
  8. Bt Doctur

    Mercruiser - Stalls in Reverse

  9. Bt Doctur

    Trim pump wiring acting opposite

    or reverse the trim pump hoses
  10. Bt Doctur

    Imagine the impact!!!!!!!!!!!!!!

    for your viewing pleasure
  11. Bt Doctur

    Mercruiser 470 voltage regulator smoking

    There is a great kit sold on ebay, installed a few . this is the low mount one but I have installed high mount no power steering ones too...
  12. Bt Doctur

    Drive destroyed

    This is what I salvaged from a Black Max after hitting some granite boulders in front of Swinburne Island, NY Full speed, full rpm impact. Therev were 2 boats racing each other . The prop was the "High Five" the size of a small grapefruit when removed . Gearcase exploded, crankcase exploded ...
  13. Bt Doctur

    350 Mag Bravo 3 with poor power steering assist

    Well, we had one that was frozen and we disassembled it .cleaned the valving ports and cylinder and it now works normally. Used a pin wrench to unscrew the front end and the 2 bolts on the rear end. and slide it apart. There are no serviceable parts in there but the holes for the valving we...
  14. Bt Doctur

    350 Mag Bravo 3 with poor power steering assist

    actuator may need to be removed and cleaned internally. not hard to do
  15. Bt Doctur

    Mercruiser 5.7 EFI Water in Oil

    Exactly how was it winterized? If you sucked it in thru the muffs and did not drain the syatem first, you probably cracked something
  16. Bt Doctur

    Alpha 1 Gen 2 Drive Shaft Housing, Lower oil seal replacement?

  17. Bt Doctur

    Alpha 1 Gen 2 Drive Shaft Housing, Lower oil seal replacement?

  18. Bt Doctur

    Alpha 1 Gen 2 Drive Shaft Housing, Lower oil seal replacement?

    search"mercruiser gen ii service manual in pdf" about the 6th one down
  19. Bt Doctur

    Alpha 1 Gen 2 Drive Shaft Housing, Lower oil seal replacement?

    the gen II uses 2 seals back to back and needs the upper disassembled for seal replacement
  20. Bt Doctur

    Wires on trim posn sender frayed.

    best option it to replace them and do a mod to the wiring of the trim gauge to keep the constant power off the sender until needed, 2 diodes and a little adaptation of the wiring . Thats why the trim sender side always goes bad before the trim limit side
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