Quote:
Originally Posted by GP49000
No such item is shown on the exploded diagram in the service manual of the SL95/75 or the SL95B/75B; nor for the Zero 100, 100C, 100S, 100SC.
It IS shown on that for the 86SB/Z100SB: Callout No. 59, Part No. 73139, "O-Ring."
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This part was also fitted to the later SP25 models, it's listed as item 138 Part No. 73139 "Cushion ring" on the exploded diagram for the SP25III.
Most seem to have perished over the years.
Regards
Richard