| Also known as | E8739 |
| Diagram | Fig. 34 — SPEEDOMETER AND TACHOMETER · ref 8 |
| Subsystem | electrical |
| Listed in parts books | 1969 |
Joint washer, tacho drive
Joint washer that seals the tachometer drive fitting on the tacho drive unit.
This is a joint washer that seats under the tachometer drive fitting, sealing that connection where the drive cable or gearbox housing meets the tacho drive unit. It shows up in the parts book under the SPEEDOMETER AND TACHOMETER figure, and the older alias E8739 is just the earlier form of this same washer's number.
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It's a small, cheap-to-overlook item, but a worn or missing joint washer at the tacho drive can let oil seep out at that fitting. If you're pulling the drive apart for any reason, it's worth having a fresh one on hand rather than reusing the old one.
Our catalog record only ties this to a single appearance from 1969, so if your bike is a different year, give us a call and we'll confirm it's the right washer for your tacho drive before you order.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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