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DT125R FORUM

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  4. dt 125x crankcase seal what way

dt 125x crankcase seal what way

Scheduled Pinned Locked Moved Engine
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  • W Offline
    W Offline
    Waggstar
    wrote on last edited by
    #1

    Hi does anyone know the way the right-hand crankcase seal goes on a dt 125x,
    is it with the spring to the inside of the crank or the outside.

    HOTSHOT IIIH 1 Reply Last reply
    0
    • W Waggstar

      Hi does anyone know the way the right-hand crankcase seal goes on a dt 125x,
      is it with the spring to the inside of the crank or the outside.

      HOTSHOT IIIH Online
      HOTSHOT IIIH Online
      HOTSHOT III
      wrote on last edited by
      #2

      @Waggstar Is it a genuine seal? If so it should have "outside" written on it between the lip and the outer edge

      W 1 Reply Last reply
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      • HOTSHOT IIIH HOTSHOT III

        @Waggstar Is it a genuine seal? If so it should have "outside" written on it between the lip and the outer edge

        W Offline
        W Offline
        Waggstar
        wrote on last edited by
        #3

        @HOTSHOT-III
        No, its not a genuine one nothing on the seal saying, so should i have the spring side facing in.

        HOTSHOT IIIH 1 Reply Last reply
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        • W Waggstar

          @HOTSHOT-III
          No, its not a genuine one nothing on the seal saying, so should i have the spring side facing in.

          HOTSHOT IIIH Online
          HOTSHOT IIIH Online
          HOTSHOT III
          wrote on last edited by
          #4

          @Waggstar Just fished out a new genuine one and it actually has a garter spring on both seal lips!

          The one marked "outside" has a thinner seal lip than the other side so I'd say orient the seal lip with more surface area towards the crankshaft.

          Also had a look at one out of a Yambits seal kit which also has a garter spring on both lips but I can't see any difference between them so if it was me I think I'd be installing it with the writing on the outside (i.e facing away from the crankshaft).

          W 1 Reply Last reply
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          • HOTSHOT IIIH HOTSHOT III

            @Waggstar Just fished out a new genuine one and it actually has a garter spring on both seal lips!

            The one marked "outside" has a thinner seal lip than the other side so I'd say orient the seal lip with more surface area towards the crankshaft.

            Also had a look at one out of a Yambits seal kit which also has a garter spring on both lips but I can't see any difference between them so if it was me I think I'd be installing it with the writing on the outside (i.e facing away from the crankshaft).

            W Offline
            W Offline
            Waggstar
            wrote on last edited by
            #5

            @HOTSHOT-III

            Thats just what il do cheers for the info, Hotshot

            S 1 Reply Last reply
            1
            • W Waggstar

              @HOTSHOT-III

              Thats just what il do cheers for the info, Hotshot

              S Offline
              S Offline
              SpookDog
              wrote on last edited by
              #6

              Just make sure that it’s in there nice and squarely. Also that the ‘insert’ has a good clean finish with no bad grooves or crud buildup on it 🙂
              Did you split and rebuild the cases or just replace the seals? (both)...
              Just use a proper clutch holder to tighten (or loosen) the clutch centre nut, don’t stick a screwdriver in the outer basket ‘fingers’! The alloy snaps so easy and without warning!...

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