Clutch slipping above 6k rpm on full throttle. is oem the absolute best replacement?

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  • LarryJ
    • Feb 2026
    #1

    Clutch slipping above 6k rpm on full throttle. is oem the absolute best replacement?

    The last couple of times that I have been out on my GK, I've noticed that as I go through the gears full throttle, about half way through 3rd gear, I get a slippage. So, it's probably time to to replace the plates.

    What's the collective opinion here on what are the best plates to get?

    I'm just adding a clutch change out to my winter maintenance list, along with adj vlv's, synch carbs, change to 17" rear wheel, install salty monk brake upgrd (finally) w/stainlees lines, etc.

    FYI: I've been using Shell 20w40 diesel DelVac oil.
    Tags: None
    • rudeman
      #2
      How's the free play on your clutch lever/cable?

        Comment

        • Griffin
          Forum LongTimer
          Past Site Supporter
          • Sep 2003
          • 14205
          • Danville, IN
          #3
          Before you go after the plates, buy a set of Emgo or Parts Unlimited clutch springs (they don't cost much at all), and swap out three of them with the springs currently in there (leaving three of the original ones in) and try that. They are quite stiff, and most of the time just doing that will take care of slippage.
          GS450E GS650E GS700ES GS1000E GS1000G GS1100G GS1100E
          KZ550A KZ700A GPZ750
          CB400T CB900F
          XJ750R

            Comment

            • LarryJ
              #4
              good advice on the springs, but I'm not sure I want to have a stiffer clutch lever.

                Comment

                • Steve
                  GS Whisperer
                  • Jun 2005
                  • 35925
                  • southwest oHIo
                  #5
                  Personally, I have no problems with the stock springs. A set of six will cost about $20, the gasket is about $10.

                  For a total of about $30, you will have a well-grabbing clutch with a relatively light feel at the lever.

                  .
                  sigpic
                  mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
                  hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
                  #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
                  #2 son: 1980 GS1000G
                  Family Portrait
                  Siblings and Spouses
                  Mom's first ride
                  Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
                  (Click on my username in the upper-left corner for e-mail info.)

                    Comment

                    • Nessism
                      Forum LongTimer
                      GSResource Superstar
                      Past Site Supporter
                      Super Site Supporter
                      • Mar 2006
                      • 35790
                      • Torrance, CA
                      #6
                      Agree with replacing the springs with stock and trying again. Worst case, order new OEM plates if it still slips.
                      Ed

                      To measure is to know.

                      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                      Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                      Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                      KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

                        Comment

                        • LarryJ
                          #7
                          thanks guys! No mater what, I need to replace the 30+yr old springs! & the only risk is that I could need a second clutch cover gasket, NBD!

                            Comment

                            • Steve
                              GS Whisperer
                              • Jun 2005
                              • 35925
                              • southwest oHIo
                              #8
                              When you do the job, leave the bike on the side stand, there will be no need to drain the oil.

                              .
                              sigpic
                              mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
                              hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
                              #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
                              #2 son: 1980 GS1000G
                              Family Portrait
                              Siblings and Spouses
                              Mom's first ride
                              Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
                              (Click on my username in the upper-left corner for e-mail info.)

                                Comment

                                • LarryJ
                                  #9
                                  Good point!

                                    Comment

                                    • Guest
                                      #10
                                      Deglaze the steels with 00 steel wool and WD 40.

                                        Comment

                                        • Guest
                                          #11
                                          GS Zone - Clutches
                                          http://gszone.biz/clutches.html

                                            Comment

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