| Also known as | F1369 |
| Diagram | Fig. 13 — SWINGING FORK AND SUSPENSION UNITS · ref 37 |
| Subsystem | fuel |
| Listed in parts books | 1960–1968 |
Bolt (5/8 in. U.H.)
A 5/8 in. under-head-length bolt used across numerous mounting points on Triumph twins from 1960-1968.
This is a general-purpose bolt, 5/8 in. under the head, that Triumph used across a wide range of fittings rather than in one single spot. The catalog record for this one (also listed under the older F1369 form) turns up in dozens of places - mudguard mounting, battery carrier and toolbox brackets, footrest and chainguard fittings, exhaust bracketry, and more, spanning catalog appearances from 1960 to 1968.
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Because it's a fastener that shows up in so many different assemblies rather than a part tied to one bracket or bike, the exact spot yours is holding together depends on which figure your parts book points you to. If you're replacing one that's rusted or stripped, match the length under the head and the thread pitch to what you pull off the bike before ordering.
Given how often this bolt turns up across different fitting points, it's a reasonable one to keep a spare or two of in the parts bin.
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