kyb shock seal replacement??

[steve.emma]

hi, need some help with a rebuild on a kyb shock out of a 99' kdx.
the seal was leaking oil down the shaft.so after reading mx-tech's articles and eric's book i pulled the shock to bits. my question is on the seal head the oil seal is under a thick metal washer that is retained under a foam bumper piece. i was able to prise the bumper out but cannot remove the washer (and hence the seal) as the seal head looks like it is peened over the washer making it captive. so how do i get the seal out? do i have to un-peen (?) the seal head first then bend the lip back when re-assembling?
any help would be appreciated. also is atf oil ok in a shock or do you need proper shock oil?
thanks.

 

[marcusgunby]

the seal head is a complete unit, you can use atf but i would prefer fork oil.

 

[Dave.Smith]

Go with a shock oil. Here's a link to a good "how to" article on shocks.
http://www.off-road.com/dirtbike/mar99/db101/db101shock.html

 

[Pete Payne]

You will have to un peen the seal head . After the top out rubber is removed . take a socket that is a bit smallere than the opening into the seal head . put the socket into a vise, put the seal head over the socket and slowly bend out the peenied over portion until the washer will come out. Replace the seal and bushing and repeen it . Or you can buy a complete seal head.

 

[steve.emma]

thanks for the help guys. that dirtbike 101 link is great, easy to understand and follow.
managed to unpeen the seal head and replace the shaft seal and du bush without any problems. got some motorex 5w shock/fork oil so i can do the job properly, man that stuff is thin! its looks like water. anyway just got to finish bleeding it then im done. thanks again.