| Diagram | Fig. 11 — Frame, Swinging Arm, Suspension Units · ref 20 |
| Subsystem | suspension rear |
| Listed in parts books | 1971–1973 |
Norton Gearbox Adjuster Nut
Gearbox adjuster nut for Norton machines, part of the gearbox mounting adjustment hardware used to set chain tension.
This is the gearbox adjuster nut, part number 060651, used on Norton machines from the catalog span of 1971 to 1973. It shows up in the gearbox figure covering the shell, gear cluster, mounting bolts, adjuster, and countershaft sprockets, so its main job is working with the gearbox adjuster mechanism that lets you take up chain slack by shifting the whole gearbox in its mounting slots.
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The part also turns up in the frame, swinging arm, and suspension figure, which tells us this adjuster hardware ties into the rear end of the bike where the gearbox mounting and swinging arm pivot area come together. It's a small but important piece of hardware for keeping the final drive chain tension correct.
We don't have a lot more detail on this one beyond where it shows up in the parts books. If you're chasing down a full gearbox adjuster kit or matching hardware, give us a call and we'll confirm exactly what you need for your application.
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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