| Diagram | Fig. 26 — REAR BRAKE · ref 18 |
| Subsystem | brakes |
| Listed in parts books | 1976–1980, 1983 |
Trunnion lever
Trunnion lever for the rear brake master cylinder linkage, PN 83-7003.
This is the trunnion lever for the rear brake master cylinder, part number 83-7003. It's a small pivoting link that connects the rear brake pedal linkage to the master cylinder piston, transferring your foot pressure into hydraulic force at the rear disc.
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Our catalog record for this one shows it appearing in a single year of production, 1978, in the rear brake section of the parts books. It's not a part most people think about until it wears at the pivot point or goes missing, but without it the pedal has nothing to push the master cylinder with.
Given how narrow the catalog window is on this one, if you're restoring a bike from around that era it's worth double-checking against what's actually on your machine before ordering, since small linkage parts like this went through a few variations across the rear disc brake years.
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