| Also known as | 57-3930 |
| Diagram | Fig. 10 — CLUTCH · ref 2 |
| Listed in parts books | 1970, 1974 |
CLUTCH HUB 500 OVERSIZED
An oversized clutch hub for the 500cc range, the component the clutch plates key onto inside the primary chaincase.
This is a clutch hub, listed in our records as an oversized version for the 500cc range, cataloged under 57-3930A with 57-3930 as the base number it derives from. The clutch hub is the component the clutch plates key onto inside the primary chaincase, and it's a part that takes wear over time from the plates riding against it.
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Our records don't give us much more detail beyond the description itself. If you're trying to match this against what's currently in your primary chaincase, or comparing it to a standard (non-oversized) hub, give us a call and we can help confirm before you order.
As always with clutch internals, it's worth checking exactly what you're pulling out before ordering a replacement — hubs can vary across the production run even within the same displacement family.
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