1992 Mercury 9.9

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  • June 27, 2020 at 7:09 pm #206872
    troy
    Participant

      I a,m working on a merc .9 1992 they went fishing heard a clunk noise and had no forward gears, drove it back to the dock by trolling motor, never really looked at it. then drove home 350 miles. got home and the prop shaft was gone and everything attached.
      now its my turn to find a replacement, does any one have a cross reference to this motor? any help will be much appreciated!!
      Thank You

      June 28, 2020 at 6:07 am #206894
      billw
      Participant

        US Member

        We’d need a serial number and and need to know whether it’s a 15″ or 20″ shaft length, to try a search. Did we not check/change our gear oil regularly? Hmmm?

        Long live American manufacturing!

        June 28, 2020 at 11:02 am #206923
        need2fish
        Participant

          Sounds like the propshaft seized at the rear bearing carrier, the carrier broke and that’s what holds the propshaft and gears in. Had to have been one heck of a clunk.

          The damage may extend all the way to the powerhead. Before sourcing parts, I recommend you get the powerhead off the tower and inspect the drive shaft at both ends — has it broken/twisted, in what shape are the splines and is the crankshaft receiver damaged. Check the gearcase end of the shift rod — it may be mangled.

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