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  1. Bt Doctur

    Volvo penta 4.3 running rich

    check the fuel pressure. Do not blow off a pressure check because the pump is mechanical
  2. Bt Doctur

    MerCruiser 4.5L 250hp V-6 overheat

    more likely the poppet va;ve
  3. Bt Doctur

    Blown fuse

    Is this a EFI throttle body motor with computer?
  4. Bt Doctur

    Removing Castle Nut or Retainer Ring on a Mercruiser Alpha One Gen One Sterndrive.

    Anything over a year or two old, I drill a few holes to the SS lock ring. chip out the small section and then remove the remains
  5. Bt Doctur

    Blown fuse

    Does it connect to the starters battery post?
  6. Bt Doctur

    Cracked my out drive need help on a replacement

    It would be helpful to have the same trim cylinders, you have 1 alpha and 1 alpha gen ii trim cylinder and a Frakenstein aft bolt .Look at the rubber bushings that should NOT be like that
  7. Bt Doctur

    Starter circuit checking

    If the starter was underwater, it needs replacing
  8. Bt Doctur

    4.3 Rear Main Seal replacement 2007 Tahoe Q7I Sport Fish

    Remove the outdrive first and maybe remove the risers and manifolds for access
  9. Bt Doctur

    Single point drain leaks. Serious? Eliminate it?

    Known as the 'Quick Crack System" I would remove it entirely .Replace the diverter ball with copper piping and just loop the 4 hoses at the front. Install the standard merc drains with the blue plugs. You will be much better off .
  10. Bt Doctur

    1984 Mercruiser 470 Ignition Switch

    standard 3 position switch "B" main 12 volt feed Red or Orange "I" ignition, gauges, etc "Purple" "S" to slave solenoid Yellow/red stripe
  11. Bt Doctur

    Volvo Penta GL Not Pulling Water, Help!!

    You do realize the blue plug in the flush hose must be secure and tight or you will suck air
  12. Bt Doctur

    Mercontrol Manual

    file:///C:/Users/Edeward%20J/Downloads/MerControls%20manual(1).pdf
  13. Bt Doctur

    IAC Valve

  14. Bt Doctur

    IAC Valve

  15. Bt Doctur

    Alpha 1 Gen2 Trim drops when under power

    or worn O rings in the cylinders
  16. Bt Doctur

    Sterndrive multiple leaks

    shift into full fwd and remove the drive and inspect
  17. Bt Doctur

    IAC Valve

    try using a Ford product, The manufactures used Ford and GM IAC`s
  18. Bt Doctur

    Gear oil supply line leak, Alpha 1 Gen 2

    I have done it, but to replace that hose you need to cut it in half first so you done break the plastic transom fitting. make a razor knife edge tool to cut the hoses off the fittings and the "hose pliers" to install a new hose 2 inches longer than the stock hose
  19. Bt Doctur

    Volvo Penta 3.0GS Restrictor Plate position on Riser

    that pic shows 2 gaskets and a block off plate, that will work IF there is a additional cooling hose directly to the elbow. If no additional hose you use 1 gasket only #10
  20. Bt Doctur

    Leak from water distribution housing

    Yes, there is a drain plug on the bottom
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