Join Date: Mar 2010
Location: Mount Vernon, WA, USA
Re: Main seal?
Drill the weep hole. If possible drill one in the slave cylinder housing bottom also. I can't remember if you can get to it with the bike together. You have a leak. Probably the O-ring as the man said. Switch back to dyno oil and see how it goes.
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I change your tires $50, you buy them on the web.
K13S, S1000R (gone through a few GS's & RT's)