Welcome Guest - Sign Up today
Welcome Guest - Sign Up today
Store Links Mobile - Shop Now

Announcement

Collapse

Help Tip: If you have a question that has not been answered to your satisfaction in the archives, it is always best to start a new thread of your own. By starting your own thread, you will receive the maximum number of views by forum members.

Below are some additional forum policies in hopes of all iboats members will follow, Thank you.

1. Please do not reply to old topics or hijack existing topics. Old topics of a technical nature are like a library book, Please do not write in them.

2. Old topics should be considered archives and used for reference only. Please do not reply to them.

3. Do not take over someone elseís topic (aka hijack) with your own question, even if it is similar. If you have a question that has not been covered to your satisfaction in the archives, it is always best to start a new topic of your own.

4. If you have a question for the original poster (OP) and the topic is over 30 days old, send the OP a PM, he may not even visit the forums any longer, or may not notice your question in the old topic.

5. By starting your own topic, you will receive the maximum number of views by forum helpers that may not even notice your question when itís posted at the end of someone elseís topic. And those answers will be specific to your particular issue.

6. Please do not post to topics that have been inactive for more than 3 months unless you are the original poster. We have very active forums and any topic that remains inactive for that long should be considered "dead". It is especially confusing when there is an entirely new question posted to an old topic.

7. Posting at the end of any topic is considered to be hijacking the original posters topic which in turn subjects the topic to be closed if it continues to happen thus not making it fair to the original poster in the future had for some reason he/she needed to return for additional information or provide an update of the problem solved which is always welcomed within a reasonable amount of time frame.

8. Please note that you should see a red banner pop up near the bottom of each inactive topic asking you not to reply to old topics. The Red banner will read: Please note this topic has been inactive for 90 days. For the best results, please start a new topic.

Thank you all in advance for doing your part in helping iboats run a smooth ship.

Additional forum rules linked below.
http://forums.iboats.com/forum-rules-guidelines-405/
See more
See less

'76 Mercruiser shift cables

Collapse
X
  • Filter
  • Time
  • Show
Clear All
new posts

  • '76 Mercruiser shift cables

    Hi all,

    S/N: 4445247 (Mercrusier R Drive)

    Apparently '76 was the year they shifted from a 5 7/8" lower shift cable adjustment to 6". The previous owner appears to have mixed and matched hardware. The current lower shift cable uses a brass cylinder nut to anchor in place.

    Which length would you recommend setting the cable at?

    Thanks,
    -John

  • #2
    Hey achris Bondo fella needs some help
    94 Formula 27PC Custom 509MPI MEFI3 , B3 XR
    95 Rinker 232 w/ 7.4L Carb 0F425011 B1 0F486471
    07 SeaDoo GTX
    Raw Water Pump Maintenance
    Merc Adults Only

    Comment


    • #3
      a brass cylinder but should use a cotter pin to retain it in the housing
      Usually I put the control box in full fwd ,attach the plastic end to the stud and adjust the barrel to fit. Then check reverse and adjust the movable stud for proper operation
      NO PERSONAL QUESTIONS, THIS IS WHAT THE FORUM IS FOR.

      Comment


      • #4
        The moveable stud is the plastic one yes?

        Do you ever move the lower shift cable attachment point up and down? There is a slot in the aluminum.

        -John

        Comment


        • #5
          2A-18 in here https://drive.google.com/file/d/0B1T...Uh5RElUQQ/view
          NO PERSONAL QUESTIONS, THIS IS WHAT THE FORUM IS FOR.

          Comment


          • #6
            You move the stud up after shifting to reverse and have someone rotate the prop to be sure it is fully engaged. Those service manuals were printed for when every thing is shiney and new not used and old. Do it just as the Dr. described.
            1980 Donzi 18'. 2+3 6.2 MPI Alpha 1

            Comment


            • #7
              In forward or reverse gear were getting a pretty noticeable clunk as we turn. Not smooth at all. Should it be that clunky?

              Comment


              • #8
                In forward or reverse gear were getting a pretty noticeable clunk as we turn.

                ?As you turn what?
                Alpha drives need to shifted briskly into gear.the initial clunk is normal
                NO PERSONAL QUESTIONS, THIS IS WHAT THE FORUM IS FOR.

                Comment


                • #9
                  Ah no we're just spinning the prop, in reverse gear, with the engine off. It locks clockwise. How hard should it be to rotate counter clockwise?

                  Comment


                  • #10
                    thee is no need to rotate it backwards your just looking to be fully locked CW for reverse and no clicking in neutral
                    NO PERSONAL QUESTIONS, THIS IS WHAT THE FORUM IS FOR.

                    Comment


                    • #11
                      No clicking in neutral... It locks correctly in forward and reverse.

                      But should the prop, in forward, spin freely clockwise? Require 2 fingers to move it? 2 hands?

                      Phrased differently, how difficult should it be to move the prop in the correct direction?

                      Thanks,
                      -John

                      Comment


                      • #12
                        Would posting a video be helpful? maybe we'll do that tomorrow morning.

                        Comment


                        • #13
                          freely if the cable is not connected to anything and you rotate the prop shaft
                          if the shift cable is connected to the control box there will be a ratcheting sound as you turn the prop F is locked CCW and ratchets CW
                          R is locked clockwise and ratchets CCW
                          NO PERSONAL QUESTIONS, THIS IS WHAT THE FORUM IS FOR.

                          Comment


                          • #14
                            Brilliant, ok so here's where we're at...

                            I can adjust the forward motion to spin freely, however, when shifting into reverse, the CCW motion is very very clunky. Requires two hands to rotate.

                            There is 3" of travel on the upper shift cable. After playing with the lower cable, by hand, it seems that pulling it all the way extended actually makes it worse. If I had 2.5" of travel on the upper shift cable things would be smoother.

                            Going in the other direction, pushing the shift cable into full forward makes it very very clunky. The sweet spot seems to be: Push lower shift all the way in while friend counter rotates prop, then pull cable out 1/4".

                            Does that make sense? At what point do you "set it to spec and turn the engine on?"

                            Thanks,
                            -John

                            Comment


                            • #15
                              Sign up today

                              Comment

                              Working...
                              X