| Also known as | E12345 |
| Diagram | Fig. 16 — FRAME · ref 21 |
| Subsystem | frame |
| Listed in parts books | 1971, 1974 |
RETURN HOSE 5/16 X 23IN
A 5/16 inch by 23 inch oil return hose, part number 71-2345, routing oil back through the frame and chaincase area.
This is the return hose, part number 71-2345, a 5/16 inch line running about 23 inches long. It shows up in the catalog under both the chaincase/chains figure and the frame figure, which fits how oil return lines usually route on these bikes - down from the top of the engine, through the frame area, and back toward the chaincase or oil tank depending on the run.
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You may also see this same part listed as 6MMID X23 or E12345 - those are just other catalog forms of the identical hose, so don't let the different numbering throw you off if you're cross-checking against an older parts book.
It's a wear item. Rubber hose gets hard and cracks with age, and a return line that's split or perished is an easy way to lose oil pressure or make a mess under the bike. Worth pulling and inspecting if you're not sure how old the one on there is.
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