| Also known as | 60-4401S |
| Diagram | Fig. 26 — REAR BRAKE · ref 27 |
| Subsystem | brakes |
| Listed in parts books | 1976–1980, 1983 |
4211-127, Master Cylinder Complete
Complete rear brake master cylinder assembly for the hydraulic rear brake system, PN 60-4401, also listed as 60-4401S.
This is the complete rear master cylinder assembly for the hydraulic rear brake system, listed in the catalog under the REAR BRAKE figure. It's a one-time entry in our records tied to 1978, and the part carries a stainless-steel-barrel variant number, 60-4401S, alongside the standard listing.
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The rear master cylinder is what the brake pedal actuates directly, pushing fluid down the line to the rear caliper. It's a self-contained unit with its own reservoir feed, and since it's a wear item that deals with brake fluid day in and day out, the condition of the seals and bore inside matters more than the outside look.
If your parts book shows 60-4401 or the S-suffix stainless variant, both point at this same assembly. Give us a call if you're not sure which one your bike left the factory with — reservoir and bracket details can vary and we want to get you the right physical fit before it ships.
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