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Help identifying my drive unit

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  • Help identifying my drive unit

    Hello everyone. I am new to I/o engines and trying to identify my drive unit. I have a 1977 Slickcraft sx176. My drive unit is broken at the prop and need to find a new one. How do I identify what type?

  • #2
    How do I identify what type?
    Ayuh,...... Welcome Aboard,..... A picture of the Whole drive would help,......

    It appears to be a Mercruiser, or atleast it's black,.....

    Click the link in my signature titled Don'S Adults Only Section,.....
    In there you'll find a link that Id's all, or most all of the Merc drives from each other,.....

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    • #3

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      • #4
        I cannot find any info on the drive unit anywhere.

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        • #5
          Remove the tarp

          Stand back and take a pic of the whole drive
          Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

          1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

          Past Boats
          1970 Wooster Hellion - Merc 9.8
          2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
          1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

          What’s behind you doesn’t matter.Enzo Ferrari

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          • #6
            Ayuh,.... So far, it looks like a white Volvo, painted black,......

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            • #7
              That is a OMC electric shift between 73-77. There is a snap ring groove machined in the case and that looks like where it parted. Not good.
              Kenner, Louisiana 1980 Donzi 18'. 2+3 6.2 MPI Alpha 1

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              • #8
                Ok, I was able to get the drive unit off to see the top better.on the top, I can make out "OMC ______cobra. Cannot read what it says before cobra.

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                • #9
                  That is a OMC electric shift between 73-77.
                  Ayuh,...... Kenny called it,...... Good luck findin' a used one,.....

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                  • #10
                    Originally posted by Swwrenn73 View Post
                    Ok, I was able to get the drive unit off to see the top better.on the top, I can make out "OMC ______cobra. Cannot read what it says before cobra.
                    If you find the word cobra anywhere on your drive.....it was put there by someone other than OMC

                    The cobra drives came out in 1986 and that was not the projects original name.
                    Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

                    1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

                    Past Boats
                    1970 Wooster Hellion - Merc 9.8
                    2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
                    1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

                    What’s behind you doesn’t matter.Enzo Ferrari

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                    • #11
                      Thank you for the help. Now to find one that doesn't break the bank. Unless I can convert one to work cheaper.

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                      • #12
                        You can most likely find a newer boat in good condition cheaper than replacing the drive. Those old stringer ball drives are tough to find parts for How is the rubber boot most likely dry rotted if not reciently replaced. They are out there good luck finding a good one.
                        1995 wellcraft martinique
                        mbsports boss 210
                        1998sea doo gtx

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                        • #13
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