Question about changing the left crank seal

[RDDave]

Plan to hit it tomorrow.

I have plenty of sealants to choose from. I will use some instead of the alcohol.

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[m in sc]

use motoseal or yamabond. do not use regular silicone

[quocle603]

After knowing that the bolt is right hand threads, the impact made light work of it and of pulling the rotor. Thank you for all that information.

Now, I have the new Yamaha seal and am ready to pull the original. But before I do, tell me what I need to know about the rib on the seal. I know that the seal is meant to be installed with the cases open. Obviously, I am trying to change it without splitting the cases. Can I? I have looked with the search and at youtube but have not found anything on this. Can I actually do it without splitting the cases?

Any tips, tricks, advice would be most appreciated.

Thank you! AGAIN!

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Have never actually had good luck with just pressing in that seal. Tried it many times, just ended up splitting the case and doing it and it fixed my crank seal leak 100%.