| Diagram | Fig. 20 — TELESCOPIC FRONT FORK · ref 36 |
| Subsystem | forks front |
| Listed in parts books | 1974, 1976–1978 |
FORK CAP NUT 74-79 ZINC FINISH
Zinc-finish one-piece top nut for oil-in-frame Triumph front fork tubes, cataloged 1974-79.
The 97-4395 is the cap nut that sits atop the front fork tube on the disc-brake Triumph twins and triples (T140, TR7, T150, T160), cataloged for the 1974-79 span with a zinc finish. It locates the fork spring inside the tube and closes off the top of the leg.
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If you're working through a fork rebuild or just chasing down a stripped or rusted-out top nut, this is the part that gets pulled first and torqued back down last. It's a simple piece, but it's one you notice the day it goes missing or won't seat right.
Double check the thread and cap style against what's already on your bike before you order - the parts books aren't always consistent about the cutoff years.
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