Merc 9.9 lower unit.

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  • September 30, 2024 at 8:15 pm #291234
    SteveM.

      Hi Guys,

      I’m a new-bee and I need some info about my Merc 9.9 .  I have a 1988 Merc 9.9 that is design 1, I have a carrier bearing o-ring that is leaking oil. The carrier calls for Fifty pound of torque, it’s a left hand threaded and all of my torque wrenches are rightly-tighty. How important is that torque setting? I was thinking doing it by feel. Does the torque of the carrier bearing give a preload for the gears?  I hope that you can give some help with this.

      Thank You

      SteveM.

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