| Also known as | H2154 |
| Diagram | Fig. 16 — TELESCOPIC FRONT FORK · ref 41 |
| Subsystem | forks front |
| Listed in parts books | 1968–1970, 1974 |
Shuttle valve
A shuttle valve for the Triumph telescopic front fork damper assembly, PN 97-2154 (H2154).
The shuttle valve, PN 97-2154 (also listed as H2154), is a small alloy part inside the telescopic front fork on Triumph forks of this type. It shows up in the fork parts-book figures alongside the fork internals, including entries for T90, T100S, T100T, TR6R, and T120R fork assemblies, which tells us it's a fork damping component rather than anything in the sliders' outer castings or the steering head.
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As the name suggests, this valve works with the fork's damping arrangement, controlling oil flow as the fork moves through its stroke. It's a wear item that a lot of folks overlook when they rebuild forks, since it sits down inside the damper rod assembly out of sight.
Our catalog record ties this part number to fork figures spanning several Triumph twin and triple front-end variants between 1968 and 1974. If you're not sure which fork internals your bike has, bring in the part you're replacing or give us a call before ordering so we can confirm it matches what's in your forks.
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