I used some viton O rings. Measured up the old ones, and got new from eBay. Unfortunately it was a few years ago so can't find the size on my purchase history.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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