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  1. Bt Doctur

    Need help: Bizarre Bravo III freshwater galvanic corrosion quandry

    another cause could be a incorrect charger wired incorrectly .Second place it the trim sender .With the key on there is a constant 12 volts at the sender. If the voltage is leaking from the wires you will get the same symptoms .You can rewire the system so that it only operates the gauge when...
  2. Bt Doctur

    new fitting for drive oil res for older boats

    Currently have in the works a fitting to replace the gear lube monitor no longer available.Used on MC1, Alpha1, alpha GEN II without the dribble valve assembly With this redesign you will be able to use a trim pump hose , the lube res bottle from the GEN II or Bravo,bracket i will supply the...
  3. Bt Doctur

    Freeze plug part number

    And the correct terminology is "core plug"
  4. Bt Doctur

    Mercruiser Setting Timing on 3.0L

    cant go wrong with Fel-Pro gaskets
  5. Bt Doctur

    I have a leak.

    whats that red circle at 9:00 position and looks like the gasket is cut there
  6. Bt Doctur

    destroyed 2 gimbal bearing tools trying to dislodge a seized bearing. still stuck

    does yours look like this? under $50
  7. Bt Doctur

    Gimbal Hinge Pin Bolt stuck/stripped

    agree. when stripped weld the allen wrenc in first, If still stubborn use high heat to loosen the loc-tite
  8. Bt Doctur

    home made tool to safely remove GEN II and Bravo oil line

    so much easier to not break that pesky plastic nipple, I also have on the board a re-engineered version of the remote oil res for Alpha1`s and GEN II`s or Bravos. The main fitting is being made and you use a power trim line from the pump and the regular GEN II res and bracket. Will post pics...
  9. Bt Doctur

    home made tool to safely remove GEN II and Bravo oil line

    I made this to remove the oil line when the gimbal housing needs to be removed WITHOUT BREAKING THE PLASTIC NIPPLE,I designed it to cut on the up stroke thru the oil line 1/2 to 3/4 in length .Replacement hose is approx 3 inches longer than oem 1/4 inch SS rod heated red hot then hammered...
  10. Bt Doctur

    Oil selection

    Rotella for flat tappet too
  11. Bt Doctur

    Alpha 1 gen 2 bellows service

    when you decide to replace the bellows CUT the oil line before removing the hinge pins and remove the hoses using a razor knife gently on the transom side You DO NOT want to break the plastic fitting for the oil fitting on the transom side.
  12. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    the shaft cannot be removed until you unscrew the cover
  13. Bt Doctur

    Mercruiser 409 engine severe vibration issue

    https://www.onallcylinders.com/2020/08/21/ask-away-with-jeff-smith-out-of-balance/
  14. Bt Doctur

    Lower unit oil leak through weep hole after impeller replacement

    remove the keyway and base plate and pressure test the lower again
  15. Bt Doctur

    Pre Alpha Mercruiser lower shift shaft removal?

    If you mean the carrier the shift shaft comes out the top. you simply unscrew it and slide it off the shaft
  16. Bt Doctur

    4.3 diesling

    I tun 87 with a touch of octane boost, all readings normal ,temp is constant at 145 and after long continuous running I slow to idle speed and let the motor get rid of all that hot water by letting it idle for about 10 min. never any dieseling at shutoff
  17. Bt Doctur

    Shift cable bellows.

    https://forums.iboats.com/threads/lower-shift-cable-routing-alpha-one-gen-2-v8.673206/
  18. Bt Doctur

    Fuel Pressure Regulator 885174 - Repair/Replace

    14 to 15 on Amazon
  19. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    unless you also removed the shift shaft itself it will lock when turned clockwise in a straight line and the prop turned CCW
  20. Bt Doctur

    spacer location

    Really have to give us more info ,Didi you replace the rear motor mounts? Did you loosen and free up the front adjusters? Bondo, wasnt there a post by the late Don S about first timers posting something
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