Motorcycle BMW R1150RT. Manual - part 56

32.7

32 72 

Removing and installing clutch 

piston in handlebar fitting

e

 Attention:

Do not allow brake fluid to come into contact with 
painted parts of the motorcycle - brake fluid de-
stroys paint.

•

Drain the clutch operating system (

a

00.54).

•

Release the cable from the left handlebar.

•

[Radio] Release housing of handlebar remote-
control unit from grip unit.

•

Remove the lower section of the clutch lever fit-
ting.

•

Remove the handlebar weight.

e

 Attention:

[Heated grips] Make sure there is no tensile strain 
on the cable of the heated grip.

•

[Heated grips] Release the grip and pull it slight-
ly out.

•

[Without heated grips] Remove grip.

•

Disengage Bowden cable for starting-speed in-
crease.

•

Release housing for starting speed increase from 
grip unit, pull grip slightly out and turn it.

•

Remove pivot screw (1) of lever and remove the 
lever.

•

Remove rubber boot (2).

e

 Attention:

Note that clutch piston (3) is spring-loaded.

•

Carefully press back clutch piston (3) using an 
Allen key with T-bar handle, for example, and re-
move retaining ring (4).

•

Remove clutch piston (3) with spring (5).

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3

6

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32.8

•

Installation is the reverse of the removal proce-
dure: pay particular attention to the following.

•

Prior to installation, coat the piston and the 
boots (6) with brake fluid.

e

 Attention:

Sealing lips of the boots (6) toward the pressure 
chamber.

•

Prior to installation, carefully press back the 
clutch piston using an Allen key with T-bar han-
dle, for example.

•

Use cranked-tip snap-ring pliers to install the re-
taining ring, and check that the ring is seated 
correctly.

•

Apply a light coat of Optimoly MP 3 to the pres-
sure pin (arrow) on the lever.

e

 Attention:

When installing the clutch lever, make sure that the 
metal tab on the microswitch is correctly positioned 
(otherwise switch will not work).

•

Fill and bleed the clutch operating system 
(

a

00.54).

•

Adjust blow-by clearance at handlebar fitting for 
clutch.

•

Fully assemble the fitting.

X 

Tightening torque:

Hand lever bearing screw............................. 11 Nm
(Tuflok Blue thread-locking compound; screw can 
be released and tightened a number of times)

Adjusting blow-by clearance at handlebar fitting 
for clutch

•

Release the cable from the left handlebar.

•

[Radio] Release housing of handlebar remote-
control unit from grip unit.

•

Remove the lower section of the clutch lever fit-
ting.

•

Remove the handlebar weight.

e

 Attention:

[Heated grips] Make sure there is no tensile strain 
on the cable of the heated grip.

•

[Heated grips] Release the grip and pull it slight-
ly out.

•

[Without heated grips] Remove grip.

•

Disengage Bowden cable for starting-speed in-
crease.

•

Release housing for starting speed increase from 
grip unit, pull grip slightly out and turn it.

•

Back off adjusting screw (1).

L

 Note:

Thread is secured with Loctite, if necessary heat 
slightly prior to facilitate removal.

•

Remove pivot screw (2) of lever and remove the 
lever.

•

Clean and degrease the threads of the adjusting 
screw.

•

Coat the threads of the adjusting screw with 
Loctite 648 or Loctite 270 and screw it a few 
turns into the lever.

•

Apply a light coat of Optimoly MP 3 to the pres-
sure pin of the adjusting screw.

•

Install the lever, making sure that the metal tab 
on the microswitch is correctly positioned.

•

Tighten the adjusting screw until the lever has 
zero play.

•

Tighten the adjusting screw another half turn.

•

Apply sealing lacquer to the adjusting screw.

•

Fully assemble the fitting.

X 

Tightening torque:

Hand lever screw bearing (2)  ....................... 11 Nm
(Tuflok Blue thread-locking compound; screw can 
be released and tightened a number of times)

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32.9

32 72 110 

Removing and installing right 

handlebar grip unit

•

Remove securing screw (1) and remove handle-
bar weight.

•

Remove throttle twistgrip cover (2).

•

Back off the adjuster screw for the throttle cable 
and disengage the cable.

•

Remove guide (3) of throttle cable.

•

Remove the lower section (4) of the brake lever 
fitting.

•

[Heated grips] Open cable ties of right heated 
grip up to plug (5).

•

[Heated grips] Disconnect plug from heated 
grip.

•

[Heated grips] Release cable shoe in connec-
tion and pull out the cable.

•

Remove securing screws (6) and remove multi-
function switch.

L

 Note:

[Heated grips] When removing the heated grip, at-
tach a wire to the end of the cable and pull the wire 
into the hole in the handlebar.

•

Turn the throttle twistgrip all the way forward and 
remove.

•

Remove brake-light switch (7).

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6

6

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32.10

e

 Attention:

Do not allow brake fluid to come into contact with 
painted parts of the motorcycle - brake fluid de-
stroys paint.

•

Integral ABS Drain front control circuit 
(

a

34.19).

•

Disconnect brake line from handlebar fitting.

•

Loosen securing screw (8) and remove the grip 
unit.

•

Installation is the reverse of the removal proce-
dure.

L

 Note:

There must always be a gap of at least 1 mm 
(0.0394 in) between throttle twistgrip and handlebar 
weight (clearance for movement).

e

 Attention:

Make sure that all lines and cables are correctly 
routed.
Align the punch mark (arrow) on the handlebar with 
the gap between the clamp blocks.

•

Integral ABS Fill and bleed front control circuit 
(

a

34.20).

X 

Tightening torque:

Brake hose to brake lever assembly............. 18 Nm
Handlebar weight to handlebar..................... 21 Nm

61 32 073 Removing and installing right multi-
function switch

•

Release right multi-function switch from grip 
unit.

•

Release cable for right multi-function switch.

•

Disconnect both plugs for right multi-function 
switch (1).

•

Installation is the reverse of the removal proce-
dure.

61 31 300 Removing and installing front-brake 
switch for brake light

•

Remove right side panel.

•

Remove inside trim.

•

[Radio] Remove right loudspeaker.

•

Release cable for front-brake switch for brake 
light.

•

Disconnect plug for brake-light switch (2).

•

Remove the lower section of the brake lever fit-
ting.

•

Remove brake light switch.

•

Installation is the reverse of the removal proce-
dure.

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