Motorcycle BMW R1150RT. Manual - part 59

33.3

33

Technical Data 33 Rear wheel drive

R 1150 RT

Rear wheel drive

Type

Bevel gears

Oil grades

Brand name hypoid-gear lubricant 
SAE 90 API GL 5

Capacity

l (Imp. pint/US quart) approximately 0.25 (0.44/0.27) (to the bottom of 

the filler neck thread)

Gear tooth pattern

Klingenberg-Palloid helical gearing

Gear ratio

2.91 : 1

Number of teeth

32 : 11

Backlash

mm (in) 0.07...0.16 (0.0028...0.0063)

Taper roller bearing preload

mm (in) 0.05...0.1 (0.0020...0.0039)

Drive shaft

Type

Drive shaft with integrated torsional vibration 
damper and two universal joints

Swinging arm

Type

BMW Paralever

Swinging arm length

mm (in) 506 (19.9216) (swinging arm pivot to wheel cen-

tre)

Rear suspension

Type

Central spring strut with single-tube gas-filled 
damper (shock absorber), adjustable rebound 
damping and hydraulically adjustable spring 
preload

Total spring travel at wheel

mm (in) 135 (5.3150)

33.4

33.5

33 10 

Removing, disassembling, reas-

sembling and installing rear wheel 
drive

33 10 

Removing rear wheel drive

•

If necessary, drain the oil from the rear wheel 
drive.

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

00.44).

•

Remove the brake caliper and secure it to the 
rear frame with a cable strap.

•

Integral ABS Remove sensor (1).

•

Remove rear wheel.

•

Loosen reaction link (2) at the rear wheel drive.

•

Remove retainer (3).

•

Push the flexible gaiter to the rear.

•

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

•

Loosen floating bearing stud bolt (4).

•

Loosen fixed bearing stud bolt (5).

•

Remove fastener securing reaction link (2) to rear 
wheel drive.

•

Remove floating bearing/fixed bearing stud 
bolts.

L

 

Note:

Do not damage the inner races of the needle roller 
bearings; remove separately if necessary.

•

Remove rear wheel drive from universal shaft.

L

 Note:

Do not lay oil-filled rear wheel drive on its side before 
installing, or else oil will escape when the motorcy-
cle is ridden (suction effect).

R22330010

1

3

2

4

5

33.6

33 17 

Removing and installing taper 

roller bearing in rear wheel drive

•

Remove needle roller bearing with counter-sup-
port 22/1, BMW No. 00 8 572, and internal puller 
21/4, BMW No. 00 8 573, with ring support.

•

Heat neck of housing to 120 °C (248 °F).

•

Press in needle roller bearing with inner race with 
driver, BMW No. 36 3 700.

RT330090

00 8 573

00 8 572