| Diagram | Fig. 5 — Engine: Crankcases, Filter, Breather, Tachometer Drive · ref 15 |
| Subsystem | engine bottom |
| Listed in parts books | 1975 |
Norton Shim
A crankcase-area shim for Norton engines, part number 06-7569, used to set clearances during a bottom-end rebuild.
This is a shim used in the crankcase area of a Norton engine, part number 06-7569. The figure it appears under covers crankcases, the oil filter, breather, and tachometer drive, so it lives down in the bottom end where the crank and its bearings are housed.
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Shims like this one are used to set clearances precisely during a rebuild, taking up small gaps so a bearing or shaft seats correctly. The catalog record for this one is thin - it only shows up once, in that one figure - so we don't have more detail on exact thickness or where in the assembly it goes.
If you're working on a bottom end rebuild and need this shim, give us a call and we'll confirm what it mates up against before you order.
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