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  1. Bt Doctur

    Mercruiser 5.7 rear motor mounts

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

    DVA stator testing

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

    Engine failure?

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

    Engine failure?

    iF THE ENGINE MADE A CLUNK, PULL THE SPARKPLUGS.
  5. 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.
  6. Bt Doctur

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

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

    No power at circuit breaker

  8. 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
  9. 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...
  10. Bt Doctur

    Problem with removing the Ujoints Alpha 1 Gen 2

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

    Alpha One Gen 1 Trim Switch contacts

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

    plug is a plug?

    MR43LTS work just as good
  13. Bt Doctur

    Alpha 1 gen 2 yoke length differences

    sounds like incorrect assembly/ rolling torque issue
  14. Bt Doctur

    Merc 5.0 V8 chocolate oil

    should have pulled the pan plug and let it drain. If it was wintererized correctly condensation was in the oil lan and was mixed with the oil Eun it in the water,under load for about an hour. That should boil out any condensation and return the oil to a normal color.
  15. Bt Doctur

    Alpha one gen 1 upper unit lower water seal

    used the web instead on my manuals,a mistake corrected my post using my manuals
  16. Bt Doctur

    Tearing down transom assembly

    they even eliminated that fitting,
  17. Bt Doctur

    Sparkplug

    search like this"omc 3.8l engine specs" and you will find what you need
  18. Bt Doctur

    water pump v belt pulley and shaft

    the pump body should not be snug, only has seals riding on the shaft and is bracketed in a fixed position
  19. Bt Doctur

    Alpha one gen 1 upper unit lower water seal

    No ther gen II installs from the top down , The Alpha1 lists 26-96503, Sierra 18-2058 size listed as .885, .1.381, .251 trusted what i saw on the web instead of the manual
  20. Bt Doctur

    Water from 3.0L mercruiser

    is this the first time starting since winterizing? if yes, a core plug was forced out or if a rebuilt engine steel core plugs were installed and rusted out Bondo, some of the new 5.7`s are equipped with SS core plugs
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