Yamaha F350 won't shift into gear

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  • Yamaha F350 won't shift into gear

    Twin F350 Yamaha's, I don't know the year, its a friends boat.
    Batteries were dead, started starboard with jumper cables, port started with the starboard running.

    Starboard motor works fine, Port starts, but won't go into gear.
    You can see the shift solenoid moving forward and back, but just a little bit, not the full throw.
    Motor starts fine, but when you put it into gear, either forward or reverse, it does not engage, and after a few seconds, the orange/red light on the shift binnacle comes on, and the check engine light starts blinking. (I don't have a code reader)

    Found a thread on another forum, same scenario, they were saying it needed to do a "control box reset" with the laptop.
    http://www.yamahaoutboardparts.com/f...hift-into-gear
    in that thread, they said the codes were Code 123 Electronic Throttle System and code 155 Shift Position Sensor

    Does that sound like the correct diagnosis?
    If so, can that be done with the the diagnostic cable and software I can buy from you? or should he just take it to a dealer?

    Ken Reeves
    KR@Propgods.com
    941-735-5808

  • #2
    Find out the year, see if it's under warranty.
    Shift shaft is probably starting to freeze up, block needs to get lifted and shiftshat and bushing replaced.
    Control box reset Is not the fix.
    Engine Sales and Service
    Ph +1 954.463.1515
    Fx +1
    954.463.4904
    Toll Free: 800.622.6747

    oparker@parkeryacht.com
    www.parkeryacht.com

    Member of the MSHS Group

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    • #3
      Definitely not under warranty anymore. Thanks for the quick answer though !
      Looks like its going to be a bigger fix then we thought... shoot.

      Ken Reeves
      KR@Propgods.com
      941-735-5808

      Comment


      • #4
        Were there a couple years where the bushing (s) were apt to fail in the actuator? Binding. Non serviceable part I believe.

        Comment


        • #5
          Originally posted by ken2 View Post
          Definitely not under warranty anymore. Thanks for the quick answer though !
          Looks like its going to be a bigger fix then we thought... shoot.
          You can try and cheat for a bit (Spritz some PB Blaster or BEO Sheild on the bsuhing), might work, ultimately block needs to come off, not the end of the world.
          Engine Sales and Service
          Ph +1 954.463.1515
          Fx +1
          954.463.4904
          Toll Free: 800.622.6747

          oparker@parkeryacht.com
          www.parkeryacht.com

          Member of the MSHS Group

          Comment


          • #6
            he said the motors were 2008, I'm sure that doesn't change anything, but he called me this morning.

            Ken Reeves
            KR@Propgods.com
            941-735-5808

            Comment


            • #7
              Originally posted by Parker Yacht View Post

              You can try and cheat for a bit (Spritz some PB Blaster or BEO Sheild on the bsuhing), might work, ultimately block needs to come off, not the end of the world.
              Does the block have to be removed to remove actuator? I have heard yes and no...

              Comment


              • #8
                Originally posted by ken2 View Post
                he said the motors were 2008, I'm sure that doesn't change anything, but he called me this morning.
                Nope.
                Here is what happens. Salt gets in there and expands.
                Click image for larger version

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                Engine Sales and Service
                Ph +1 954.463.1515
                Fx +1
                954.463.4904
                Toll Free: 800.622.6747

                oparker@parkeryacht.com
                www.parkeryacht.com

                Member of the MSHS Group

                Comment


                • #9
                  Thanks for the detailed info !

                  Ken Reeves
                  KR@Propgods.com
                  941-735-5808

                  Comment


                  • #10
                    Originally posted by ken2 View Post
                    Thanks for the detailed info !
                    let us know the outcome.

                    Comment


                    • #11
                      My friend bought the software and cable just so we could read the codes and stuff.
                      Reset it, didn't change anything.

                      Took the lower unit off, and the motor shifted fine .
                      The lower unit itself won't shift into gear. its stuck.

                      Took the lower unit off the other motor and the shift lever moves easily.
                      He's taking both lowers to the dealer to have them serviced.

                      I wasn't there, he just called and told me what they found. Send me a picture of the good lower.

                      Ken Reeves
                      KR@Propgods.com
                      941-735-5808

                      Comment


                      • #12
                        This was the good lower.
                        Attached Files

                        Ken Reeves
                        KR@Propgods.com
                        941-735-5808

                        Comment


                        • #13
                          Interesting looking debris. Looks like rust flakes.
                          I think I might opt for steel toed boots handling those big monster lowers.

                          Comment


                          • #14
                            I saw that. Can’t tell from the picture if it’s caked up salt or what.
                            Wish I was there when they worked on it.

                            Ken Reeves
                            KR@Propgods.com
                            941-735-5808

                            Comment


                            • #15
                              Originally posted by ken2 View Post
                              I saw that. Can’t tell from the picture if it’s caked up salt or what.
                              Wish I was there when they worked on it.
                              To change the subject....here is an odd issue and I don’t know if you have seen this thread on TOS. But it is a curious issue to me. Looks like pitted props with no aluminum damage...have you seen this before? Please weigh in over there if you can...

                              https://www.thehulltruth.com/boating...oloration.html

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