BMW Motorcycle (R1100RT, R1100RS, R850/1100GS, R850/1100R). Manual - part 24

21.2

21.3

21

Technical Data

R 1100 RS

Type of clutch

Single dry plate with increased-leverage 
diaphragm spring

Operation

Mechanical, with release lever and thrust rod 
passing through hollow gearbox shaft

Clutch plate dia.

mm (in)

180 (7.0879

Wear dimension

mm (in)

4,5 (0.177)

(measured on rivets of clutch plate using tips of 
sliding caliper, pressed together by hand)

Manual effort required

Nm

65

Clutch operating clearance at handlebar lever

mm (in)

7 (0.276)

Distance for basic clutch adjustment 
(free thread length at adjusting screw on 
handlebar lever)

mm (in)

12 (0.472)

21.4

Technical Data

R 1100 RT

Type of clutch

Single dry plate with increased-leverage 
diaphragm spring

Operation

Mechanical, with release lever and thrust rod 
passing through hollow gearbox shaft

Clutch plate dia.

mm (in)

180 (7.0879

Wear dimension

mm (in)

4,5 (0.177)

(measured on rivets of clutch plate using tips of 
sliding caliper, pressed together by hand)

Manual effort required

Nm

65

Clutch operating clearance at handlebar lever

mm (in)

7 (0.276)

Distance for basic clutch adjustment 
(free thread length at adjusting screw on 
handlebar lever)

mm (in)

12 (0.472)

21.5

Technical Data

R 850 GS

R 1100 GS

Type of clutch

Single dry plate with increased-leverage 
diaphragm spring

Operation

Mechanical, with release lever and thrust rod 
passing through hollow gearbox shaft

Clutch plate dia.

mm (in) 180 (7.0879

180 (7.0879

Wear dimension

mm (in) 4,5 (0.177)

4,5 (0.177)

(measured on rivets of clutch plate using tips of 
sliding caliper, pressed together by hand)

Manual effort required

Nm 65

65

Clutch operating clearance at handlebar lever

mm (in) 7 (0.276)

7 (0.276)

Distance for basic clutch adjustment 
(free thread length at adjusting screw on 
handlebar lever)

mm (in) 12 (0.472)

12 (0.472)

21.6

Technical Data

R 850 R

R 1100 R

Type of clutch

Single dry plate with increased-leverage 
diaphragm spring

Operation

Mechanical, with release lever and thrust rod 
passing through hollow gearbox shaft

Clutch plate dia.

mm (in) 180 (7.0879

180 (7.0879

Wear dimension

mm (in) 4,5 (0.177)

4,5 (0.177)

(measured on rivets of clutch plate using tips of 
sliding caliper, pressed together by hand)

Manual effort required

Nm 65

65

Clutch operating clearance at handlebar lever

mm (in) 7 (0.276)

7 (0.276)

Distance for basic clutch adjustment 
(free thread length at adjusting screw on 
handlebar lever)

mm (in) 12 (0.472)

12 (0.472)

21.7

Removing and installing clutch

•

Remove dualseat.

•

[RT] Remove mirror.

•

[RS/GS/RT] Remove side sections of fairing.

•

[RS] Detach inner cockpit panel at fuel tank.

•

[R] Remove fuel tank cover.

•

Unscrew fuel tank mount.

•

Seal, loosen and pull off fuel feed and return line 
with hose clip, BMW No. 13 0 010.

•

Remove vent pipes.

•

Separate plug for fuel pump.

•

Remove fuel tank.

•

Remove battery.

e

 Caution:

Disconnect negative terminal from battery first, then 
positive terminal. Connect the positive battery termi-
nal first, then the negative terminal.

•

Motorcycles with throttle-cable divider, release 
Bowden-cable divider.

•

Unscrew rear battery mount.

•

Remove plug from air temperature sensor.

•

Remove air cleaner cover.

•

Detach air intake pipe and push it into the air 
cleaner housing.

•

Remove front/rear air cleaner box.

•

Remove muffler.

•

Unfasten plug connector for neutral switch and 
side stand switch/detach leads.

•

Disconnect plug for brake light switch and de-
tach lead.

•

[ABS]/[GS/R/RT] Detach the plug connection at 
the rear sensor line and the line itself.

•

Remove brake fluid reservoir from holder.

•

Remove rear brake pipe from holder.

•

Unfasten screw connection on rear frame/only 
loosen mount at front of struts.

•

Remove suspension strut.

•

Tilt rear frame upwards and secure with strap (1).

•

[ABS] Detach rear brake caliper.

•

[ABS] Take off right footrest plate.

•

Unfasten/remove fuel pipe from injector.

•

Remove cable connector/wiring harness from air 
cleaner box.

•

Detach return line/oil trap from air cleaner box.

•

Remove air cleaner box. 

•

Disconnect clutch cable from gearbox.

•

[RS/GS/R] Take off starter motor cover/pull off 
wire to power socket.

•

Detach leads at starter motor.

•

Remove starter motor.

1

RS230310

21.8

•

Detach lead to oil pressure switch.

•

Detach lead to side stand switch.

•

Detach lead for injector.

•

Detach lead for throttle angle sensor.

•

Locate the gearbox when removing and installing 
with oiled guide pins, BMW No. 23 1 820.

•

Remove rear wheel, rear wheel drive unit and 
swinging arm together with gearbox.

e

 Caution:

Hold gearbox at installation height until entire clutch 
push rod is visible, or else this may be bent.

•

Install in the reverse order of work.

23 1 820

23 1 820

RS230011

21.9

Removing clutch

•

Lock the clutch housing with retaining device (1), 
BMW No. 11 5 640.

•

Remove clutch.

Installing clutch

e

 Caution:

Always use new bolts for housing and cover.

•

Install clutch housing with mark (2) aligned with 
crankshaft mark (2).

•

Lock the clutch housing with retaining device (1),  
BMW No. 11 5 640. 

•

Insert all screws by hand and tighten down.

X

 Tightening torque:

Clutch housing to crankshaft
(oil screw threads lightly)
Initial tightening ............................................ 40 Nm
Wrench angle .................................................... 32°

•

Install clutch.

e

 

Caution:

Offset the color marks on the clutch housing, driven 
plate and housing cover through 120° in each case.

•

Secure clutch with retaining screws (4).

•

Center the clutch plate with centering pin, 
BMW No. 21 3 680.

•

Tighten retaining screws alternately in a cross-
wise pattern.

Lubrication points:
Splines on clutch plate and input shaft
Diaphragm spring contact surface at clutch housing
Diaphragm spring contact surface at driven plate

............................................... Optimoly MP3 paste

X

 Tightening torque:

Housing cover to flywheel ............................ 18 Nm

11 5 640

1

2

4

2

RS210011