In a message dated 10/22/04 3:08:30 AM Pacific Daylight Time, RAlanen@AOL.COM
writes:
Warm the plastic before trying to install  them.  Use a hair dryer, heat
gun or dunk them in boiling water  or..........Better buy extras as they will
eventually break again and they will  soon become NLA then we will have to
become inventive until some enterprising  soul decides to reman them !
My '87 Westy came with the adjusters replaced by corks.  The PO just ran a
screw into the cork as an adjustment.  They seem to work OK.

Tom
Illinois