| Diagram | CLUTCH |
| Subsystem | primary |
| Listed in parts books | Not catalogued by year yet |
Drive rubber (large)
A large clutch drive rubber that cushions shock in the clutch chainwheel assembly.
Part number 71722 is a drive rubber, the large version, and it shows up in the clutch section of the parts books. These rubbers sit in the clutch chainwheel assembly and take up the shock between the engine and the transmission, cushioning the drive rather than letting it slam straight through the drivetrain.
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Our catalog record ties this one to the clutch figure across appearances from 1964 through 1968, but we don't have a breakdown of which specific model that spans. If you're rebuilding a clutch and need to know whether this is the right size rubber for your bike, give us a call and we'll confirm before you order.
The manufacturer code on file for this one says Lucas, but drive rubbers are a mechanical clutch component, not an electrical part, so that tag is almost certainly just a numbering quirk rather than an indication of who actually made it.
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