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  1. Bt Doctur

    Removed oudrive and glue in gasket and o-rings

    contact cement, weatherstrip adhesive
  2. Bt Doctur

    Charging Issue - three battery system

    a lot use the 3 position switch with twins and house. If 1 and 1 is normal,. 2 and 2 are jumped together. If both switches are on "both" the engine batteries are now combined You need to find out how your switches are wired but is sounds like that the motor that will only charge on both has a...
  3. Bt Doctur

    Merc 3.7L A1 runs fine, dies when shifted to neutral, wont start

    If the shift interrupt is activating it signals a new lower shift cable is needed Start the motor and shift into fwd, neut, and reverse, switch activates,means corrosion or bad cable.
  4. Bt Doctur

    Shift shaft backwards?

    THIS IS THE CORRECT POSITION . IN fwd YOU CANNOT TURN THE CRANK CLOCKWISE. THE CRANK ON THE OTHER SIDE IS THE ONLY WAY TO TURN THE SHIFT SHAFT CLOCKWISE Didne mean to use caps
  5. Bt Doctur

    Shift shaft backwards?

    you have the shift crank in the lower reversed. F is straight, neutral is TO THE LEFT COUNTERCLOCKWISE, rev is all the way LLEFT
  6. Bt Doctur

    Shift shaft backwards?

  7. Bt Doctur

    Shift shaft backwards?

    Standing at back with prop facing me I rotate shift shaft with point facing away from me and prop locks as in forward Meaning the prop is locked turning it CCW and turning the shaft to your left is neutral and further left is reverse with the prop locked CW
  8. Bt Doctur

    1999 Volvo penta 4.3 gl starter issue

    only other reason is a blown bendix drive is from water in a cylinder
  9. Bt Doctur

    Mercruiser 5.7 rear motor mounts

    the core separetes from the rubber and the mount drops down
  10. Bt Doctur

    DVA stator testing

    Stators will produce a square wave AC voltage
  11. Bt Doctur

    Engine failure?

    Or you can keep trying and replace the starter too from a blown bendix drive gear
  12. Bt Doctur

    Engine failure?

    iF THE ENGINE MADE A CLUNK, PULL THE SPARKPLUGS.
  13. Bt Doctur

    Engine failure?

    220 is waY beyond a safe temp so guessing you blew the head gaskets and filled up a cylinder or 2 or 3 with wAter. PULL THE SPARK PLUGS.
  14. Bt Doctur

    Merc engine overheated & shut off. Lost oil into bilge. Smoke.

    a severe overheat melted a trim pump hose
  15. Bt Doctur

    No power at circuit breaker

  16. Bt Doctur

    No power at circuit breaker

    Do you have a square plastic block connected there also. It is a 90A fuse link Has a Orange wire (alt) and REd (main system power) If bad, kills everything
  17. Bt Doctur

    Merc engine overheated & shut off. Lost oil into bilge. Smoke.

    Was running at high rpm for a few minutes, boat would not plane. Not enough motor for the 30 foot boat Has anyone had this similar problem? I'm looking for help identifying possible causes and solutions. The last one I worked on with that symptom had holed a piston ,had severe...
  18. Bt Doctur

    Problem with removing the Ujoints Alpha 1 Gen 2

    most remove the complete tab, does nothing to the nuts purpose
  19. Bt Doctur

    Alpha One Gen 1 Trim Switch contacts

    much better to just replace the limit and sender
  20. Bt Doctur

    plug is a plug?

    MR43LTS work just as good
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