Mercury Mark 5

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  • January 30, 2017 at 12:08 am #52079
    dave-bernard
    Participant

      US Member

      call me 1 914 310 7086. Dave.

      January 31, 2017 at 4:57 am #52193
      cheetahgod
      Participant

        Which would be better to buy. They’re both the same price.

        Attachments:

        January 31, 2017 at 5:41 am #52194
        cheetahgod
        Participant

          How do I remove the flywheel ?

          January 31, 2017 at 8:50 am #52197
          dave-bernard
          Participant

            US Member

            take off the nut and use a puller.

            February 1, 2017 at 3:37 am #52235
            cheetahgod
            Participant

              When the shaft is turned on the lower unit it makes a noise. Is this due to there being no grease in the lower unit or bad gears?

              February 1, 2017 at 10:25 am #52242
              billw
              Participant

                US Member

                Lift up on the drive shaft as you turn it, or hold the gear case upside down and turn it. This separates the gears to the proper running clearance. If it still "makes noise," or feels rough or gritty, then yeah, with those gear cases, you could very likely have a problem.

                Long live American manufacturing!

                February 2, 2017 at 1:06 am #52269
                cheetahgod
                Participant

                  There is no grease. It still makes noise. I’ll check again when I put grease in.
                  How do I take the gears out. I’ve taken the propeller off and the brass plug.

                  February 2, 2017 at 10:30 am #52280
                  billw
                  Participant

                    US Member

                    The rear of the gear case is threaded in. You need a spanner that fits into the two holes, to turn it. These can be bought or you can make something to fit. (Hopefully someone will post a picture of their clever tool made from an old adjustable wrench.) The piece is LEFT HAND THREAD. In other words you turn it CLOCKWISE to LOOSEN it. This is done so the normal rotation of the prop would not tend to loosen the cover.

                    Be advised though, that based on your questions, you are about to get in deep. However, we are here to help…..

                    Long live American manufacturing!

                    February 2, 2017 at 4:00 pm #52295
                    20mercman
                    Participant

                      US Member
                      quote Cheetahgod:

                      Which would be better to buy. They’re both the same price.

                      Unless you feel comfortable with rebuilding the lower unit, I would most likely suggest you get the used unit that is complete. Once you get your feet wet into the hobby, you will be more able to tackle challenging projects. The Mark 5 is an excellent motor, but they are more complicated than the KF-5 that they replaced. As Dave Bernard has posted his contact information for you, and generously offered his help, I would get the complete one, replace the water pump, and move on to the rest or the motor.

                      Steve

                      February 2, 2017 at 7:23 pm #52313
                      dave-bernard
                      Participant

                        US Member

                        I would get it running without the lower on it use a hose for water. then see if it is worth putting $$ in it. JMHO.

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