| Diagram | Fig. 24 — BATTERY, TOOLKIT AND AIR FILTER · ref 17 |
| Subsystem | fuel |
| Listed in parts books | 1960–1962, 1964–1967 |
Ring spanner, 1/2 in. x 9/16 in. whit.
A 1/2 in. x 9/16 in. Whitworth ring spanner listed as part of the factory toolkit.
PA57 is a ring spanner sized 1/2 in. by 9/16 in. Whitworth, the kind of double-ended tool that rode in the toolbox rather than on the bike itself. It shows up in the toolkit listings alongside the battery, air filter, frame lock, pillion footrests, and licence holder figures, which tells you this was part of what came in the tool roll or under-seat kit rather than a chassis or engine component.
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A ring spanner like this is meant for nuts and bolts in that Whitworth size range where a socket won't reach or a customer wants a closed-end grip to avoid rounding off a fastener. It's a basic hand tool, nothing exotic, and it turns up across a run of catalog years from 1960 to 1967.
If you're restoring a toolkit to original spec or just filling a gap in your roll, this is the one the parts books call for in that slot. Confirm which toolkit variant your bike's records call for before ordering, since the figure titles show it listed under a few different toolkit configurations.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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