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DT125R FORUM

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  4. Clutch no longer works

Clutch no longer works

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  • J Online
    J Online
    juntunen
    wrote last edited by
    #1

    Hello, my clutch wire recently snapped and in the process the lever on the engine block that controlls the clutch and the other end of the clutch wire goes into. Well this lever no longer works it just moves freely with no resistance. A friend of mine told me to lift it up and reposition it to get the clutch working again but after an hour of trying i just dont get it. Ive also tried to practise on a spare engine block thats open so i can see what im doing better but no luck.
    I have a yamaha dt125x 2006
    Thank you in advance and sorry for weak english its my second language

    1 Reply Last reply
    1
    • CalumC Offline
      CalumC Offline
      Calum
      wrote last edited by
      #2

      Hello there,

      There isn't much too the clutch arm. Basically the clutch arm has a cam on it and a rod with a ball a bearing followed by another rod.

      When you pull the lever, it actuates the cam which pushes the rods to overcome the clutch springs which is holding the clutch plates down.

      Based on that description, assuming nothing else has changed, either you haven't adjusted the clutch cable enough, or the fact you've pulled the cam out may have caused the push rod to take it's gap, meaning the cam is no longer engaging the rod.

      I am not sure if that's even possible, I have always put the rods in before the clutch arm and I've never had an issue. So it's probably that you haven't adjusted the clutch cable properly.

      Always Originate, Never Pirate!

      J 1 Reply Last reply
      0
      • CalumC Calum

        Hello there,

        There isn't much too the clutch arm. Basically the clutch arm has a cam on it and a rod with a ball a bearing followed by another rod.

        When you pull the lever, it actuates the cam which pushes the rods to overcome the clutch springs which is holding the clutch plates down.

        Based on that description, assuming nothing else has changed, either you haven't adjusted the clutch cable enough, or the fact you've pulled the cam out may have caused the push rod to take it's gap, meaning the cam is no longer engaging the rod.

        I am not sure if that's even possible, I have always put the rods in before the clutch arm and I've never had an issue. So it's probably that you haven't adjusted the clutch cable properly.

        J Online
        J Online
        juntunen
        wrote last edited by
        #3

        @Calum thanks for responding, i removed the clutch wire and tried to use the lever with my hands but no matter the position of the lever it doesnt engage the clutch so i dont think its the wire

        1 Reply Last reply
        0
        • CalumC Offline
          CalumC Offline
          Calum
          wrote last edited by Calum
          #4

          https://www.fowlersparts.co.uk/main/img/assemblies/large/a657ca561064c1db3436c5e554187dac.png

          As you can see, it's incredibly simple design, so it'll be something easy.

          Always Originate, Never Pirate!

          J 1 Reply Last reply
          0
          • CalumC Calum

            https://www.fowlersparts.co.uk/main/img/assemblies/large/a657ca561064c1db3436c5e554187dac.png

            As you can see, it's incredibly simple design, so it'll be something easy.

            J Online
            J Online
            juntunen
            wrote last edited by
            #5

            @Calum do you think i need to open the engine all the way to fix it?

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