1. The front brake fluid level, visible through the window in the reservoir body, must be above the LOWER level line (arrowed).
2. If the level is below the LOWER line, undo the two reservoir cover screws and remove the cover, diaphragm plate and diaphragm.
3. Top up with fluid of the recommended type until the level is up to the ridge along the inside of the front wall of the reservoir (arrowed). Do not overfill.
4. Ensure that the diaphragm is correctly seated before installing the plate and cover.
5. To view the rear brake fluid level, remove the right-hand side panel (see Chapter 8). The rear brake fluid level, visible through the reservoir body, must be above the LOWER level line.
6. If the level is below the LOWER level line, undo the two reservoir cover screws or unscrew the reservoir cap (according to model), and remove the diaphragm plate and diaphragm.
7. Top up with fluid of the recommended type until the level is up to the UPPER level line. Do not overfill.
8. Ensure that the diaphragm is correctly seated before installing the plate and cover or cap.