| Also known as | 57-0031 |
| Diagram | Fig. 13 — GEARBOX OUTER COVER · ref 16 |
| Listed in parts books | 1960–1962, 1964–1965, 1967–1974, 1976–1980, 1983, 1985 |
KICK SPRING UK MADE
Kickstart return spring for pre-unit and unit Triumph twins, UK-made, part number 57-0031E.
This is the kickstart return spring, part number 57-0031E, also listed as 57-0031. It's the spring that pulls your kickstart lever back up to the resting position after you've swung it through to fire the engine over.
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It shows up across the pre-unit and unit-construction Triumph twin lineage in the parts books, and it's a UK-made part per the catalog listing. If your kickstart lever feels lazy coming back up, hangs down, or doesn't return with any snap at all, a tired or broken return spring is usually the culprit.
We don't have a lot more detail on file beyond that, so give us a call if you want to confirm it's the right one for your gearbox before you order.
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