View Single Post
Old 02-19-2013, 09:30 AM   #7
Studly Adventurer
Joined: Nov 2007
Location: So Cal
Oddometer: 732
Originally Posted by Cogswell View Post
Looks to me like there are two options for the rear master cylinder, and two options for a rebuild kit depending upon date of manufacture.

Maybe you have the incorrect one for your bike ? Check the part number against the fiche and let us know.

I'm sure I've got the right part, the newer 1981-1984 piston is smaller by 1.58mm

It appears the cup style seals are a superseded design over the old o-ring style seal.
TINK is offline   Reply With Quote