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  1. Bt Doctur

    Replacing my outdrive but can't determine the right one!

    Basically, for anything under 140 hp 1.98-1 for 160 - 200 hp 1.65 or 1.84 for 260 hp 1.50
  2. Bt Doctur

    Old archived posts

    This has been repeated many times, do not post to old outdated posts.Those that do will find it locked. Consider them "Read Only" Start Your Own with your topic.
  3. Bt Doctur

    RE: Issues with Mercruiser 5.0 LX 4 Barrel Carb

    First, fix the temp gauge and sender or it will just happen again. The "not able to shift" is most likely a melted shift cable where is passed around the Y pipe.
  4. Bt Doctur

    Volvo Penta 7.4 overheats

    are the hoses routed correctly to the pump :in is in, out is out" If yes, then check the first item past the pump for blockage
  5. Bt Doctur

    Aq231a Outdrive, dry start up

    Use muffs or the flushing hose, impeller is engine mounted and most have a flushing port
  6. Bt Doctur

    Hard starting 4.3LX, normal or not?

    Some have added a push button to prime the carb . Rochestors have a habit of leaking welch plugs draining the bowls
  7. Bt Doctur

    Mercruiser 4.3MPI 2005 SmartCraft Connector location?

    might be the data link plug
  8. Bt Doctur

    MerCruiser 3.0 - loud metal noise when in gear

    And all this could have been prevented with yearly maint. SAD
  9. Bt Doctur

    Starting Issue - Twin 1988 Merc 4.3's

    IF you are wired according to your pic, all the switch does is combine the batteries on "ALL,BOTH' and does not have the house charging. House will only charge on #1 or #2 , ALL,BOTH combines all batteries together. THe engine starter cable is connected directly to the battery for each...
  10. Bt Doctur

    SX-M drive stuck - suggestions

    Do not bring up 10 year old posts, start your own.The thread will only get locked
  11. Bt Doctur

    Starting Issue - Twin 1988 Merc 4.3's

    No, you need 2 switches one for each motor, "Bucking alternators" means both outputs are connected together, meaning you have one big single .engine. Some 'disconnect" one alt output on the back of the alt. again one big single engine
  12. Bt Doctur

    Starting Issue - Twin 1988 Merc 4.3's

    First fix the battery cable wiring and add a second switch so that each motor has its own battery NEVER run twins on "All" because your most likely "bucking" the alt feeds or 1 alt has been disconnected already.
  13. Bt Doctur

    Starting Issue - Twin 1988 Merc 4.3's

    I have one of those Perko battery switches and usually have it on ALL Being a twin you should have 2 battery switches, Switch is never on all except for emergency starting. For safety,one motor should be stand alone. Meaning it has its own battery and nothing else. The other can be used as...
  14. Bt Doctur

    Diameter of the steering cable rod question

    .010 larger and wont fit suggests corrosion in the guide tube. A brass 12 gauge cleaning brush will clean that out.
  15. Bt Doctur

    Lower Unit Oil Leak

    That area would not cause a leak at the cavity drain hole. You have both a shaft seal and prop seal leaking
  16. Bt Doctur

    VP 5.0 GXi-G spark plug corrosion

    Definitely rusted, being only just 1 cylinder I`d be looking at the exaust valve area in the head for a crack. Only seen when the valve is removed,and valve should also show signs of rust
  17. Bt Doctur

    Starting Issue - Twin 1988 Merc 4.3's

    How many batteries do you have ? Some are wired with the motors connected together
  18. Bt Doctur

    351W Aft Motor Mounts

    I agree, in a normal install where they are not glued in place they will spin, If failed the drive would be difficult to slideoff
  19. Bt Doctur

    2006 Mercruiser 4.3 no power to Fuel Pump

    take a paperclip and insert it into the plug, with key on, pump should run
  20. Bt Doctur

    2006 Mercruiser 4.3 no power to Fuel Pump

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