Caution: Do not allow brake fluid to come into contact with painted parts of the motorcycle, because brake fluid attacks paint.
- Remove right handlebar cover.
- Remove multi-function switch.
- Turn the handlebar fully to the left.
![](https://motoinstruction.ru/img/bmw/21/127371.jpg)
- Loosen the clamping screw (1).
- Turn the brake-lever fitting so that the sealing surface on the reservoir cap is horizontal when viewed from the side.
- Tighten the clamping screw.
- Remove the reservoir cap together with the diaphragm.
- Draw off approx. 10 cm³ (0.34 fl. oz.) of brake fluid at brake caliper, for example.
- Remove lower plastic cover from brake-lever fitting.
- Remove cover for throttle-cable relay.
![](https://motoinstruction.ru/img/bmw/21/127372.jpg)
Note: Screws are secured with Loctite; heat slightly before removal if necessary.
- Back off adjusting screw (2) with pressure pin.
- Remove pivot screw (3) and remove lever.
- Clean threads of adjusting screw and pivot screw and threads in tapped bores of brakelever fitting.
- Remove rubber diaphragm from brake-lever fitting.
![](https://motoinstruction.ru/img/bmw/21/127373.jpg)
- Carefully press back brake piston (5) and remove retaining ring (4).
- Remove brake piston.
- Check brake cylinder for scoring; replace brakelever fitting if necessary.
- Installation is the reverse of the removal procedure: pay particular attention to the following.
- Adjust lever play by turning adjusting screw (2).
- Fill and bleed the brake system.
Tightening torques:
- Pivot screw (clean thread + Loctite 2701) — 11 Nm
- Clamp screw in handlebar fitting — 5 Nm
- Bleed screw — 10 Nm
Adjusting lever play for front brake/clutch
Front brake
- Remove lower plastic cover from brake-lever fitting.
- Remove cover for throttle-cable relay.
![](https://motoinstruction.ru/img/bmw/21/127374.jpg)
Note: Screws are secured with Loctite; heat slightly before removal if necessary.
- Back off adjusting screw (1) with pressure pin.
- Remove pivot screw (2) and remove lever.
- Clean threads of adjusting screw and pivot screw and threads in tapped bores of lever fitting.
- Coat thread of adjusting screw with Loctite 270, install screw in its bore and tighten down a few turns.
- Install lever.
- Tighten adjusting screw until all play is taken up at lever.
- Tighten adjusting screw one more turn.
- Apply sealing paint to adjusting screw.
- Complete assembly of handlebar fitting.
Tightening torques:
- Pivot screw (clean thread + Loctite 2701) — 11 Nm
Clutch
- Remove radio control unit.
- Remove lower plastic cover.
- [Without heated grip] Remove grip.
- [With heated grip] Slacken grip.
- Remove side lower plastic from clutch-lever fitting.
- Back off adjusting screw (1) with pressure pin.
- Remove pivot screw (2) and remove lever.
- Clean threads of adjusting screw and pivot screw and threads in tapped bores of lever fitting.
- Coat thread of adjusting screw with Loctite 270, install screw in its bore and tighten down a few turns.
- Install lever.
- Tighten adjusting screw until all play is taken up at lever.
- Tighten adjusting screw one half turn more.
- Apply sealing paint to adjusting screw.
- Complete assembly of handlebar fitting.
Tightening torques:
- Pivot screw (clean thread + Loctite 2701) — 11 Nm