| Diagram | Fig. 28 — SPEEDOMETER AND TACHOMETER EQUIPMENT · ref 3 |
| Subsystem | electrical |
| Listed in parts books | 1963–1966 |
Serrated washer
A serrated washer used with speedometer and tachometer fittings, part number 30-283-014-11.
This is a serrated washer, part number 30-283-014-11, that shows up repeatedly in the parts-book figures covering speedometer and tachometer equipment, including listings that group the tail lamp in with the instrument setup. It's a small hardware piece used to secure fittings around the gauges rather than a gauge part itself.
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Serrated washers like this one bite into the mating surface when clamped down, which helps keep a nut or fitting from working loose under vibration - useful anywhere you've got a threaded fastener holding instrument brackets or cable ends in place. Beyond its appearances in these instrument-related figures, we don't have more detail on exactly which fitting or bracket it pairs with.
If you're chasing this number down for a speedo or tach installation, it's worth having a few of these on hand since they're the kind of small part that's easy to lose track of. Call the shop if you want us to confirm exactly which assembly on your bike calls for it 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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