| Also known as | WW37317 |
| Diagram | Fig. 25 — REAR WHEEL · ref 15 |
| Subsystem | wheels |
| Listed in parts books | 1976–1979 |
Spacer, right bearing
Right-side rear wheel bearing spacer, used with the Smiths speedo drive box setup.
This is the right-side bearing spacer for the rear wheel, part number 37-7003, also cataloged as WW37317. It sits inside the rear hub on the right side, keeping the wheel bearing positioned correctly and taking up the gap between the bearing and the axle shoulder or spacer stack next to it.
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The catalog notes it's used with the Smiths speedo drive box on the right-hand side, so this spacer is part of the rear wheel assembly on machines running that speedo drive setup. It shows up across catalog entries from 1976 through 1979.
A spacer like this is a small part but it matters for getting the hub end-float and bearing seating right when the rear wheel goes back together. If you're rebuilding a rear hub, it's worth having on hand rather than trying to reuse a worn or corroded original.
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