Motorcycle BMW R1150RT. Manual - part 46

23.8

•

Disconnect gear-indicator plug (3) and remove 
the cable.

•

Remove hydraulic spring adjuster.

•

Remove rear brake fluid reservoir from its holder.

•

Remove brake line (4) from the rear frame.

•

Remove brake line from swinging arm.

•

Disconnect plug (5) of the ABS sensor.

•

Remove the rear ABS sensor.

d

 Warning:

Integral ABS When removing and installing the 
brake calipers, force back the pistons carefully to 
ensure that the wheel-circuit reservoir does not 
overflow.
If fluid escapes, proceed in accordance with “In-
structions for filling reservoir” (

a

00.48).

•

Remove rear brake caliper.

•

Use cable ties to secure the brake caliper to the 
rear frame.

•

Disconnect clutch-system bleed line from rear 
frame.

•

Remove cable ties (6) from left air filter box.

•

Tilt the rear frame up and secure it in this position 
with a strap attached to the handlebars.

•

Remove spring strut.

R22210020

3

R22210030

4

5

R22210040

6

RS230310

23.9

•

Use hose clip pliers, BMW No. 17 5 500, to dis-
connect hose for crankcase breather from air-fil-
ter box.

•

Remove air filter box.

•

Remove the fuel distributor.

•

Remove rear battery carrier fasteners.

•

Remove rear wheel and spacer.

•

Place support under rear wheel drive.

•

Release fastener securing strut to gearbox.

•

Release the retaining strap securing the flexible 
gaiter to the swinging arm.

•

Push the flexible gaiter to the rear.

•

Swinging-arm bearing studs are secured with 
Loctite: heat to max. 120 °C (248 °F) to release.

•

Slacken the floating-bearing stud of the rear 
wheel drive in the swinging arm.

•

Slacken the fixed-bearing stud of the rear wheel 
drive in the swinging arm.

•

Remove floating bearing/fixed bearing stud 
bolts.

•

Remove fastener securing strut to gearbox.

•

Remove rear-wheel drive from universal shaft.

•

Slacken the floating-bearing stud of the swinging 
arm in the gearbox.

•

Slacken the fixed-bearing stud of the swinging 
arm in the gearbox.

•

Remove floating bearing/fixed bearing stud 
bolts.

•

Remove swinging arm.

•

Press off drive shaft.

•

Remove clutch slave cylinder.

•

Remove clutch pushrod.

•

Remove the gearbox.

•

Always use oiled guide pins, BMW No. 23 1 820, 
when removing or installing the gearbox.

•

Installation is the reverse of the removal proce-
dure.

•

When installing, fit a new seal on the clutch slave 
cylinder.

L

 Note:

Do not fully tighten the fasteners securing the rear 
frame until the footrest plates have been installed.

•

Switch on the ignition.

•

Without starting the engine, fully open the throttle 
once or twice so that the Motronic control unit 
can register the throttle-valve positions.

L

 Note:

Disconnecting the battery deletes all entries (e.g. 
faults, settings) stored in the Motronic control unit’s 
memory.
Loss of settings can temporarily impair the operat-
ing characteristics when the engine is restarted.

X 

Tightening torque:

Gearbox to engine ....................................... 22 Nm
Clutch slave cylinder to gearbox .................... 9 Nm

R21110020

17 5 500

R21330050

RS230011

23 1 820

23 1 820

23.10

23 12 

Replacing shaft sealing rings in 

gearbox housing and gearbox cover

L

 Note:

All shaft seals except the seal on the drive-side of 
the input shaft can be installed without removing the 
gearbox.
Replace all shaft sealing rings if the gearbox is fully 
disassembled.
Take care not to damage the faces of the housing 
and the shafts when removing the shaft sealing 
rings.

e

 Attention:

Replace all shaft sealing rings if the gearbox is fully 
disassembled.

23 12 Replacing input shaft sealing ring at input 
end

•

Carefully pry out the shaft sealing ring with a 
screwdriver.

•

Drive the new sealing ring in with the sealing lips 
facing inwards, using slip-over sleeve, 
BMW No. 23 4 712, and drift, 
BMW No. 23 4 711.

23 12 Replacing output shaft sealing ring

e

 Attention:

Do not use pointed tools to remove the shaft sealing 
ring of the output shaft, because they could damage 
the sealing washer of the grooved ball bearing be-
hind the sealing ring.

•

Use puller, BMW No. 00 8 590, to remove the 
shaft sealing ring, or alternatively pry out carefully 
with a screwdriver.

e

 Attention:

Drive in the output-shaft sealing ring flush with the 
housing.

•

Install the sealing ring with the sealing lips facing 
inwards, using, BMW No. 23 4 732, and drift, 
BMW No. 23 4 731.

23 4 712

R21230160

23 4 711

00 8 590

23 4 732

23 4 731

23.11

23 12 Replacing input shaft sealing ring at out-
put end

e

 Attention:

Take care not to damage the faces of the casing and 
the shafts when removing the shaft sealing rings.

e

 Attention:

Do not use pointed tools to remove the shaft sealing 
ring of the input shaft, because they could damage 
the sealing washer of the grooved ball bearing be-
hind the sealing ring.

•

Remove the connecting pipe.

•

Carefully lever out the shaft sealing ring with a 
screwdriver.

•

Install the new sealing ring with the sealing lips 
facing inwards, using guide, BMW No. 23 4 722, 
and impact driver, BMW No. 23 4 723.

23 31 Replacing shaft sealing ring for selector 
drum

•

Carefully lever out the shaft sealing ring with a 
screwdriver.

•

Install the new sealing ring with the sealing lip 
facing inwards, using impact driver, 
BMW No. 23 4 750.

23 12 Replacing sealing ring for gearshift shaft

•

Carefully lever out the shaft sealing ring with a 
screwdriver. 

•

Install the new sealing ring with the sealing lip 
facing inwards, using assembly sleeve, 
BMW No. 23 4 612, and impact driver, 
BMW No. 23 4 740.

R21230170

23 4 612

23 4 740

23 4 750

23 4 722

23 4 723