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DT125R FORUM

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  4. Sealing crank cases

Sealing crank cases

Scheduled Pinned Locked Moved Engine
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  • S Offline
    S Offline
    SpookDog
    wrote last edited by
    #1

    I’ve never used silicone RTV to seal the cases before. What is the best way to apply it? Should I use a bead (if so what size) or dab it on lightly and evenly by hand (with gloves)
    I proper worry about the excess beading out into the crank case and gearbox. I’ve taken one apart that was awful…

    Any advice is appreciated 🐾

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    • CalumC Offline
      CalumC Offline
      Calum
      wrote last edited by
      #2

      The last time I did crank cases on my DTR I used Yamabond and used a thin paint brush to apply it.

      Always Originate, Never Pirate!

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      • R Offline
        R Offline
        Rallyfinnen
        wrote last edited by Rallyfinnen
        #3

        I dab on a very thin layer, and it has always sealed well. I put so little that there is almost nothing protruding after putting the halves together. I use the grey Athena sealant.

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        • S Offline
          S Offline
          SpookDog
          wrote last edited by SpookDog
          #4

          Less is more then 🙂 cheers guys. It’s the reason I used hylomar red before, it’s easy to apply thin and evenly…
          I’ll get out the black mechanic gloves and dab on some RTV…

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