KG7 torquing flywheel nut?

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  • May 17, 2015 at 10:11 am #1516
    phil
    Participant

      US Member - 2 Years

      What socket or other tool do I need with my torque wrench to tighten the flywheel nut?
      While I’m here what is the correct torque?

      http://www.omc-boats.org
      http://www.aerocraft-boats.org

      May 17, 2015 at 11:18 am #16194
      jpatti75
      Participant

        US Member

        Here is the official tool, Phil:

        http://store.oldmercs.com/category_s/234.htm

        Correct torque according to the Mercury Master Manual is 60 ft. Lbs.

        JP

        May 18, 2015 at 1:27 am #16270
        richardg
        Participant

          US Member

          They also recommend an external star washer under the flywheel nut.

          May 18, 2015 at 1:30 am #16274
          legendre
          Participant
            quote jpatti75:

            Here is the official tool, Phil:

            http://store.oldmercs.com/category_s/234.htm

            Oh good grief! What ever could have justified that?!

            It looks like it accepts a recoil ratchet gear.. is that what’s going on, here?

            May 18, 2015 at 2:02 am #16280
            jpatti75
            Participant

              US Member

              Hahh, funny thing is that I don’t use that tool. Per a very knowledgeable Merc guy around here, I just protect the nut with with a piece of canvas strap and tighten the nut down down good with a monkey wrench. Scientific, nope … but I’ve never had an issue with the couple Mercs I’ve had with that annoying nut.

              As for the nut itself, the recoil pawls engage it when starting the motor. Interesting recoil concept…I’ll leave it at that.

              May 18, 2015 at 2:16 pm #16332
              phil
              Participant

                US Member - 2 Years

                Thanks, jpatti, that’s how I got the nut off. How long an adjustable wrench, how many hits with how heavy a hammer?

                http://www.omc-boats.org
                http://www.aerocraft-boats.org

                May 18, 2015 at 2:19 pm #16335
                phil
                Participant

                  US Member - 2 Years

                  I’m sure it’s the only KG7 I will ever work on. A tool that price for one short job just does not seem right. All thanks to Karl K. And his wacko ideas, full time genius, part time wacko.

                  http://www.omc-boats.org
                  http://www.aerocraft-boats.org

                  May 18, 2015 at 3:04 pm #16347
                  dave-bernard
                  Participant

                    US Member

                    Make one flat plate make square for torque wrench 2 holes for boles to line up with flywheel nut.

                    May 18, 2015 at 3:06 pm #16348
                    RICHARD A. WHITE
                    Participant

                      Lifetime Member

                      I made a tool that will remove both sizes of this wonderful dual purpose flywheel nut..Works well…

                      Drill 9 holes, one pc hex stock of about 5/8 assemble and whallah!

                      http://www.richardsoutboardtools.com
                      classicomctools@gmail.com

                      May 18, 2015 at 6:27 pm #16362
                      phil
                      Participant

                        US Member - 2 Years

                        Thanks, gentlemen!

                        http://www.omc-boats.org
                        http://www.aerocraft-boats.org

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