Changing the clutch fluid
21 52 005
every 2 years at the latest
The description applies to a brake system filling and
bleeding device with vacuum extraction of brake flu-
id at the bleed line.
If other devices are used, comply with their manu-
Place the motorcycle on its main (centre) stand.
Turn the handlebars to a position in which the
clutch fluid reservoir is horizontal.
Secure front wheel in position.
Keep the brake fluid in the clutch operating system
away from painted surfaces on the motorcycle be-
cause brake fluid attacks paint.
Remove reservoir cap with rubber diaphragm.
Draw off the brake fluid and clean the reservoir.
Top up the brake fluid.
Pull back protective hose (1).
Wrap a cloth around the filler adapter.
Remove socket-head grub screw (2) from the fill-
Connect the brake bleeding device to bleed
Screw the bleed screw all the way into the filler
adapter (valve in filler adapter closed).
While bleeding the system, do not allow the brake
fluid level to drop below the bottom edge of the ring
mark, as otherwise air will be drawn into the clutch
system. Bleed the system again if this happens.
Open the bleed screw by half a turn (valve open).
Draw off brake fluid until it emerges clear and
free from air bubbles.
Remove the bleed screw.
Disconnect the brake bleeding device from the
On account of the vacuum extraction process, it
might not be possible to tell whether there is brake
fluid in the hose of the brake bleeding device when
it is free of bubbles.
In this case bleed the system manually.
Reinstall socket-head grub screw (2) in the filler
The motorcycle is not permitted on the road without
the grub screw in place and secure in the filler
Correct the fluid level.
Reinstall the reservoir lid with rubber diaphragm
Tighten the reservoir cap carefully and without
Recheck the fluid level.
Grubscrew in filler adapter ........................... 10 Nm
Brake fluid.....................................................DOT 4