| Also known as | T1962 |
| Diagram | Fig. 11 — GEARBOX SHAFTS AND GEARS · ref 25 |
| Subsystem | gearbox |
| Listed in parts books | 1965, 1967–1974, 1976–1980, 1983, 1985 |
PINION WASHER KICKSTART
Kickstart pinion washer for unit Triumph gearboxes, part number 57-1962 (T1962).
This is the kickstart pinion washer, part number 57-1962, sometimes still marked in old parts books under the T1962 designation. It lives in the gearbox, right in with the kickstart shaft, pinion, and ratchet assembly, and it shows up across catalog entries for gearbox shafts and gears as well as the gearbox inner cover and selectors area.
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A washer like this one sits against the pinion to keep the kickstart mechanism running true on the shaft, taking up end float and keeping the ratchet and spring doing their job without binding. It's a small part, but it's the kind of thing that's easy to lose track of when you've got a gearbox laid out on the bench, so it's worth having a spare or two on hand.
The catalog shows this washer appearing across a wide span of unit-construction gearbox variants, so it's been a long-running fitment. As always, check it against your parts book or bring in the old one for comparison before you order.
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