Search results

  1. Bt Doctur

    Alarm goes off when key turns: Low Drive Lube Monitor

    What drive? standard A1 use 80-85-90 Wt gear oil or the Hi-Perf green oil For a Bravo, the green Hi-Perf oil made for the cone clutch If after you refill it and the alarm silences it means the gear oil leaked out and you need to service the drive and repair the leak
  2. Bt Doctur

    Broken Spark plug

    have you tried a 6 point socket? If yes, and you stripped the hex, then the machine shop is your only escape drain the block and manifolds remove plug wires and dist remove intake bolts ,remove old gaskets, remove intake Per Horigan, remove the head bolts then remove the head
  3. Bt Doctur

    Difference Between VHF Antennas

    5101 is a center fed ant meaning it just a piece of coax inside the ant. low end type of ant although it does work satisfactory. The 5102 is a center fed 5/8ths wave with brass construction and is a much better ant with longer range The Shakespeare 5102 Centennial VHF Antenna is a mid-priced...
  4. Bt Doctur

    Still baffled

    could you have the wrong prop?
  5. Bt Doctur

    I have a leak.

    mostly caused by a damaged water inlet O ring
  6. Bt Doctur

    engine oil

    AAA+++ Rotella 15W 40 ,it has zinc for the lifters and cam
  7. Bt Doctur

    Aluminum water pump dam drain hole

    It`s there to prevent hot exaust gasses from being sucked into the pumps base.When your on plane that area only has your exaust gas and cooling water exiting the riser
  8. Bt Doctur

    Drain plugs on 1993 Volvo penta 740B -

    Can also install the mercruiser type with the blue plug
  9. Bt Doctur

    4.3 vortec Mercruiser..lots of questions

    where are you located?
  10. Bt Doctur

    Bellows Installation

    a slightly longer oil hose will help prevent breakage of the nipple
  11. Bt Doctur

    Bellows Installation

    1 good luck with that 2 get the pre-molded hose and 14 inches of oil resistant hose 3 down on the spring side 4 either will work, but bench is easier 5 reverse may not be obtainable 6 Yes 7 No ,hose friction will keep in in place Use clamp needle nose pliers to install it 8 on the bottoms away...
  12. Bt Doctur

    4.3/190 hp Chevy Vortec engine with Volvo drive on Glastron GX185 boat

    I service a pair of 5.7 Bluewater inboards with well over 2000 hrs
  13. Bt Doctur

    Leak when outdrive is up Merc 3.0 Alpha 1

    as stated , main bellows and shift cable bellows. shift cable bellow only can leak water, main bellow leak can destroy the gimbal bearing and outdrive from water intrusion
  14. Bt Doctur

    Manifold & Risers no longer available

    you started it dry and was ok, you added water and it didnt turn over, you let it sit overnight and it turned over, If this is correct your manifold/riser has a leak in it
  15. Bt Doctur

    Manifold & Risers no longer available

    5.0 ford or gm if their gm there are many suppliers for that engine
  16. Bt Doctur

    3.0 lost all power!

    that 90A block originally was to protect the alt and wiring, merc added the Red main system power to it for whatever reason. Why have a 50A after a 90A . I modify the wiring by adding the system power wire "Red" directly to the battery post and use a Maxi-Fuse crimped to the alt feed "Orange"...
  17. Bt Doctur

    Merc 4.5, any reason I can't just dump the block and manually fill with pg antifreeze?

    perfectly fine that way, just make sure you drain everything first
  18. Bt Doctur

    1993 Stingray 556 Leak in Bilge

    may also be a exaust pipe leak , the exaust in underwater running or not
  19. Bt Doctur

    Another Mercruiser 3.0 blue hose question

    I`ll see if i can get a pic of mine. 1 drains the manifold and hoses the other drains the block
  20. Bt Doctur

    4.3gl dieseling

    a high idle speed, lean carb condition,incorrect timing, hot running motor temp all can contribute to this condition
Top