| Also known as | T2705 |
| Diagram | Fig. 3 — GEAR CLUSTER AND TIMING COVERS · ref 66 |
| Subsystem | engine bottom |
| Listed in parts books | 1968, 1970–1971 |
Cotter washer
A cotter washer used in the gear cluster and timing cover assembly, Triumph PN 57-2705 (also T2705).
This is a cotter washer that Ed's records tie to the gear cluster and timing cover area of the engine, appearing under the Triumph part number 57-2705, also known by its older T2705 designation. It shows up across catalog listings from 1968 through 1971 in the gear cluster and timing cover figures, which puts it in the mix with the internal gearbox or timing side hardware that uses a cotter pin arrangement.
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A cotter washer's job in this kind of assembly is to seat against a cotter pin or similar fastener, spreading load and keeping things located where they need to be. Beyond that, our catalog entry doesn't give us dimensions, material, or which specific shaft or pin it pairs with.
If you're chasing this one down for a rebuild, give the shop a call and we'll help confirm it matches what's coming apart on your bench before you order.
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