| Also known as | T4575 |
| Diagram | Fig. 11 — GEARBOX SHAFTS AND GEARS · ref 10 |
| Subsystem | gearbox |
| Listed in parts books | 1973–1974 |
BUSHING 3RD M/S 5 SP
3rd gear mainshaft bushing for the 5-speed gearbox, part number 57-4575.
This is the 3rd gear mainshaft bushing for the 5-speed gearbox, part number 57-4575. It sits inside the gearbox on the mainshaft, where 3rd gear runs, and it's what keeps that gear turning smoothly without wearing directly on the shaft itself.
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Our catalog record for this one only shows a single appearance, tied to the 1973 model year, in the gearbox shafts section of the parts book. If your bike has the 5-speed cluster, this is the bushing that lives under 3rd gear on the mainshaft.
Bushings like this one are wear items — when a gearbox starts showing play or noise on 3rd, this is one of the parts worth checking. Give us a call if you want help confirming this is the right one before you order.
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