Consumables
| Description | Part Number | Size |
|---|---|---|
| Harley-Davidson Platinum Label DOT 4 Brake Fluid | 41800xxx | - |
| 1. | Lightly lubricate piston bore and OD of piston seals with brake fluid.Harley-Davidson Platinum Label DOT 4 Brake Fluid (41800xxx) | |
| 2. | See Figure 1. Press new spigot (1) assembly into master cylinder body (2). | |
| 3. | Insert piston assembly (3) into piston bore. | |
| 4. | Slide special washer (5), with collar facing outer end of pushrod (4), and new retaining ring (6) over pushrod. | |
| 5. | Install retaining ring. a. Hold piston assembly in with pushrod. b. Install retaining ring in groove. c. Verify retaining ring is seated. | |
| 6. | Install pedal return spring. a. Seat return spring (7) on retaining ring. b. Slide flat washer (8) over pushrod. c. Compress return spring and install E-clip (9) in inboard groove of pushrod. | |
| 7. | Install dust boot (10). |
| 1 | Spigot |
| 2 | Master cylinder body |
| 3 | Piston assembly |
| 4 | Pushrod |
| 5 | Special washer |
| 6 | Retaining ring |
| 7 | Return spring |
| 8 | Flat washer |
| 9 | E-clip |
| 10 | Dust boot |
Figure 1. Master Cylinder Assembly