| Diagram | GEARBOX SHAFTS AND GEARS |
| Subsystem | gearbox |
| Listed in parts books | Not catalogued by year yet |
Speedometer pinion, sidecar
A sidecar-specific speedometer drive pinion listed in the gearbox shafts and gears parts book.
Part number 11747 is a speedometer pinion for sidecar-equipped outfits, listed against the gearbox shafts and gears in the parts book. This gear picks off drive inside the gearbox to spin the speedometer cable, and the sidecar version of the pinion runs a different tooth count than the solo-bike pinion because the sidecar wheel changes the effective gearing and road speed relationship.
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Our record shows this one appearing a single time, tied to 1964, so we don't have a broader run of years or models to point to beyond that. If you're sorting out a sidecar-outfit gearbox and need the pinion that matches your setup, give us a call and we'll confirm the fitment against what's on your bike before you order.
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