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Shop/Category/Fig. 13 — INNER AND OUTER CHAINCASE/Joint washer
Joint washer
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Details
Also known asE12793
DiagramFig. 13 — INNER AND OUTER CHAINCASE · ref 36
Subsystemprimary
Listed in parts books1971, 1973–1974

Joint washer

A joint washer for the inner/outer chaincase assembly, sealing the primary chaincase halves.

PN · 71-2793

This is a joint washer used in the inner and outer chaincase area, per the catalog listing. It functions as a gasket-style washer sealing the mating faces of the chaincase halves, helping keep oil where it belongs and dirt out.

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The catalog shows this one under 71-2793, with E12793 as the older-style part number for the same piece. It shows up across a handful of catalog entries from the early-to-mid 1970s.

If you're rebuilding a chaincase, it's worth having a fresh one of these on hand rather than reusing an old, hardened joint washer. Call the shop if you want us to confirm exact fitment before you order.

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