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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: motorheadsdiygarage on August 16, 2016, 08:01:22 PM

Title: K75S leaking rear master cylinder
Post by: motorheadsdiygarage on August 16, 2016, 08:01:22 PM

Spent my day working on the K75S leaking rear master cylinder to no avail. Still leaking so I ordered the rebuild kit since the bore was not scored or pitted.

Followed the Drake Smith tutorial.

HERE (http://www.kbikeparts.com/…/0.c…/master.leak/master.leak.htm)

Title: Re: K75S leaking rear master cylinder
Post by: blakey on August 16, 2016, 08:11:04 PM

Dumb question No.438...

What's the purpose of the hex head bolt with the Allen key hanging out of it?

Thanks.

Title: Re: K75S leaking rear master cylinder
Post by: rbm on August 16, 2016, 08:20:56 PM

It's the screw that retains the piston assembly in the master cylinder.  The hex key is to remove / reinstall it.

Title: Re: K75S leaking rear master cylinder
Post by: blakey on August 17, 2016, 06:54:09 PM

Thanks Rob. Glad I found out about it now before I tried to fix one!

Title: Re: K75S leaking rear master cylinder
Post by: motorheadsdiygarage on August 21, 2016, 08:38:53 PM

New rebuild kit received and installed. No more leaks..... :neener:

Title: Re: K75S leaking rear master cylinder
Post by: Laitch on August 21, 2016, 08:45:30 PM

Quote from: motorheadsdiygarage on August 21, 2016, 08:38:53 PM

No more leaks.....

:clap: