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  1. Bt Doctur

    Mixture adjustment screw non tamper cover

    grind it off and be done with it
  2. Bt Doctur

    Merc 140 fuel pump install, no ros?

    You fail to understand how a mechanical works. Pumps – (Leaking Fuel): Most mechanical fuel pumps, have a weep hole on the bottom side of the unit. When the internal diaphragm leaks, fuel escapes through the weep hole; to notify the vehicle owner of a malfunction. This is one of the more...
  3. Bt Doctur

    Bell housing spacers Alpha 1 Gen 2

    the spacers for the rear mounts do not have brass bushings. a better description of the part is needed and where its needed
  4. Bt Doctur

    Water coming into bilge

    running water from inside and seeing a leak at the Y pipe connection is : a corroded Y pipe a corroded transom housing a missing O ring
  5. Bt Doctur

    Water coming into bilge

    you said it was above the Y pipe but bellow the inputshaft
  6. Bt Doctur

    Water coming into bilge

    there are 2 vent holes in the housing the one you see is at 12:00 ,the one you dont see is at 6:00
  7. Bt Doctur

    Alpha one gen 1 questions

    That type of damage is caused by a lack of oil.When was the drive serviced last, when was the oil changed last?
  8. Bt Doctur

    Gear oil lower shift shaft

    seal only 18-2006 / 26-89236 complete asembly 23-815921A21 / sie 18-2353
  9. Bt Doctur

    Mercruiser shifterplate

    It will not activate on land on a trailer
  10. Bt Doctur

    Smoke from the Alternator!

    the 90A protects the system wiring in case of alt failure.it did its job. so unless you had the battery cables reversed just replace the alt
  11. Bt Doctur

    Is my coupler off ? looks like it and drive won't go back in ..

    Well ,if you had the drive off for service you should have used some KY when you installed the impeller in the pump housing. Never grease or oil
  12. Bt Doctur

    Mercruiser 165 inline 6 timing marks - reverse rotation engine?

    you do not have reverse rotation
  13. Bt Doctur

    Stringer question

    Ask yourself why the factory made them as long as they are. hull support .
  14. Bt Doctur

    Mercruiser 165 inline 6 timing marks - reverse rotation engine?

    truck motors are standard left hand viewed from the fly wheel, your 165 is left hand also
  15. Bt Doctur

    1885 5.7L weak water supply to circulation pump

    water will not go to the manifolds unless the Tstat is open. If it was removed and this is the flow per scott start with a new water pump in the lower unit
  16. Bt Doctur

    prop turns CW by hand very hard ? Clicks but very hard

    Alpha`s use a "dog clutch" when the drive shaft turns the prop clockwise for Fwd the prop is locked to the shaft. When freewheeling in Fwd gear it will ratchet clockwise. perfectly normal. In reverse it will ratchet CCW
  17. Bt Doctur

    Mercruiser MC-1 Hydraulic Ram Hose Leaking

    For yours, NO. there is a port and starboard hose used on those cylinders. look for the casting number on the rams
  18. Bt Doctur

    Mercruiser 3.7 / 470 Holley EFI Sniper.

    keep the carb.
  19. Bt Doctur

    prop turns CW by hand very hard ? Clicks but very hard

    mercruiser Alpha drives must be in fwd for removal and install, your pics look correct if unsure on the procedure ask for a manual
  20. Bt Doctur

    Oil pump

    Yes, it should by hand
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