BMW Motorcycle (R1100RT, R1100RS, R850/1100GS, R850/1100R). Manual - part 35

 

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BMW Motorcycle (R1100RT, R1100RS, R850/1100GS, R850/1100R). Manual - part 35

 

 

33.9

Removing, dismantling, reassem-
bling and installing rear wheel drive

Drain the oil.

[RS] Remove number plate carrier.

[GS] Remove rear wheel cover at rear wheel 
drive.

Unfasten brake caliper/secure to rear frame with 
cable strap.

[ABS]/[GS/R/RT] Remove sensor.

Removing rear wheel drive

Remove rear wheel.

Loosen strut at rear wheel drive (1).

Release clamping strap (2).

Heat free bearing journal (3) to max. 120 °C/
loosen; heat fixed bearing journal (4) to max.
120 °C/loosen.

[RS/R/RT] Remove brake disk/heat retaining 
bolts to 120 °C, with 
[ABS] 
mark position before removing.

Remove free bearing/fixed bearing journal (3/4). 

L

 Note:

Inner races of needle bearings.

Detach strut from rear wheel drive.

Disconnect rear wheel drive from drive shaft.

L

 Note:

If rear wheel drive is filled with oil, do not place on 
side prior to installation: this will cause oil to escape 
later, when the bike is ridden (suction effect).

Removing input bevel pinion

Press out splined section of shaft.

If necessary, remove/install circlip.

3

2

1

4

j

120

j

120

RS330010

LT 33.043

LT330430

33.10

Bolt rear wheel drive centrally onto retaining fix-
ture, BMW No. 33 1 510, with bearing journal (1).

Bolt the locking arm (3) on tight.

Move threaded sockets (5) up to rear wheel 
drive.

Tighten with wheel studs (2).

Tighten grub screws (4) until they make contact.

Heat hex nut (5) at input bevel pinion to 100 °C 
and unscrew it with 36 mm socket wrench insert 
and reducing adapter (1), BMW No. 33 1 720

e

 Caution:

Never use a hammer when loosening the hex nut: 
this could damage the splines.

Remove thrust ring (6).

Heat housing to 120 °C and unscrew threaded 
ring (7) with pin wrench (2), BMW No. 33 1 700.

To remove the input bevel pinion (8), heat bear-
ing seat to 120 °C.

8

7

6

5

j

100

j

120

LT330012

33 1 510

1

2

1

3

4

5

RT330350

1

33 1 720

2

33 1 700

RT330360

33.11

Disassembling input bevel pinion

Remove outer bearing race (7).

Remove spacer ring (8) from housing.

Clamp input bevel pinion (6) into vise with protec-
tive jaws (splines facing upwards).

Using puller, BMW No. 00 7 500, pull off both 
bearings at the same time.

Take off ball thrust bearing (9), inner race (10), 
roller bearing cage (11) and outer race (12)

12

11

10

9

7

8

6

LT330030

00 7 500

LT330040

33.12

Removing needle roller bearing for input bevel 
pinion

Split the needle roller bearing cage open.

Heat the housing to 130 °C..

Pull out the needle roller bearing outer race with 
internal puller, BMW No. 00 8 573, and counter-
support, BMW No. 00 8 570.

Installing needle roller bearing for input bevel 
pinion

Heat the needle roller bearing seat to 100 °C.

Press in needle roller bearing using drift or the in-
put bevel pinion.

LT330020

LT 33.006

00 8 570

00 8 573

RT330060

33.13

Assembling input bevel pinion

Heat the inner race (10) to 100 °C and push onto 
input bevel pinion (6) as far as the stop.

Slide outer race (12) together with roller cage (11) 
onto inner race (10).

Heat ball thrust bearing (9) to 100 °C and push 
onto input bevel pinion (6) as far as the stop.

Allow input bevel pinion to cool down.

12

11

10

9

6

j

100

LT330071

33.14

Installing input bevel pinion

Drive sealing ring (13) into threaded ring (5) with 
drift, BMW No. 33 1 760, and handle, 
BMW  No. 00 5 550
.

Heat the housing to 120 °C.

Install input bevel pinion together with spacer 
disc (8).

Insert outer race (7).

Coat threaded ring (5) with Hylomar SQ 32 M.

Tighten threaded ring with pin wrench, 
BMW No. 33 1 700.

Install thrust ring (4).

L

 

Note:

Ensure that lip of shaft seal is perfectly 
aligned on thrust ring.

Tighten hex nut (3), using Loctite 273.

e

 Caution:

Nut must not damage shaft sealing ring.

X

 Tightening torque:

Threaded ring 
(thread cleaned + Hylomar SQ 32 M)  ........ 118 Nm
Nut for input bevel pinion 
(thread cleaned + Loctite 273).................... 200 Nm

7

8

13

5

4

3

v

j

100

273

LT330080

00 5 500

33 1 760

13

5

LT330090

33.15

Removing and installing taper roller 
bearing in rear wheel drive

Pull out needle roller bearing using counter-
support 22/1, BMW No. 00 8 572, and internal 
puller 21/4, BMW No. 00 8 573.

Heat neck of housing to 120 °C.

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

00 8 573

00 8 572

RT330090

33.16

Removing crown wheel

Remove housing cover (1) with crown wheel (2) 
and bearing (3).

Heat housing cover to 100 °C and pull it off.

Force shaft seal (4) out of housing cover with 
drift.

Clamp crown wheel in vise with protective jaws..

Insert pressure block, BMW No. 33 1 307 
(arrow).

Using puller, BMW No. 33 1 830, pull off the 
deep-groove ball bearing.

1

2

3

4

j

100

LT330111

RT330121

33 1 307

33 1 830

LT330130

 

 

 

 

 

 

 

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