| Diagram | Fig. 6 — Gearbox: Shell, Gear Cluster, Sprocket, Mounting Bolt · ref 1 |
| Subsystem | gearbox |
| Listed in parts books | 1975 |
Norton Gearbox Shell
Gearbox shell casting for the 1975 MKIII gearbox assembly.
The 06-5207 is a gearbox shell, the main casting that houses the gear cluster and holds the whole gearbox assembly together. It's the structural piece everything else in the box bolts to or fits inside — sprocket, mounting bolts, and the gear cluster itself all reference off this casting.
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Our catalog record ties this one to 1975 MKIII listings, and it only shows up once in our records, so we don't have a lot of extra detail to pass along beyond what the part name tells you.
If you're rebuilding a box and need to confirm this is the right shell for your setup, give us a call and we'll go over fitment before you order.
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