Motorcycle BMW R1150RT. Manual - part 54

31.12

31 42 405 

Removing and installing 

leading link

•

Remove side panels (

a

46.8).

•

Remove the intake air pipe.

•

Disengage suspension strut at bottom.

•

Heat ball joint mount (1) at leading link to 
max. 120 °C (248 °F) and remove it.

•

Remove caps (2).

•

Slacken and turn flange of the left throttle valve 
stub.

•

Remove screw (3).

•

Slacken fasteners of leading link pivot shaft (4).

e

 Attention:

Protect parts against scratching; mask off if neces-
sary.

•

Pull telescopic fork forwards and carefully re-
move leading link by pulling forwards.

•

Installation is the reverse of the removal proce-
dure.

•

Apply a light coating of grease to the shaft before 
installing.

•

Tighten the ball joint in the leading link using 
socket, BMW No. 31 5 601, and Allen key, 
BMW No. 31 5 603.

X 

Tightening torque:

Leading link to ball joint
(clean thread + Loctite 2701)...................... 130 Nm
Leading link to engine:
right ............................................................. 73 Nm
Screw cap, left
(lightly coat threads with Optimoly TA).......... 42 Nm
Spring strut to leading link............................ 50 Nm

31 42 

Disassembling and assembling 

leading link

e

 Attention:

Always install bearing by applying pressure to outer 
race.

•

Press the bearing out/in with a suitable tool.

R22310070

4

2

31 5 603

31 5 601

1

2

3

31.13

31 42 851 

Measuring the leading link

•

Remove the leading link (

a

31.12).

L

 Note:

Shaft (1) must slide into the leading link without re-
sistance.
Check runout of shaft (1).

•

Secure the leading link with shaft (1) to leading 
link gauge, BMW No. 31 5 640.

•

Tighten the shaft until the leading link is located 
in the gauge with no end float.

L

 Note:

Check the leading link for signs of the paint flaking.

•

Insert test mandrel (2) all the way into the bore.

Interpreting result of measurement:
Test mandrel slides all the way into the bore without 
resistance

..........................................................................OK

Test mandrel sticks, force is required to slide it into 
the bore or it cannot be inserted

............................................... Replace leading link

•

Install the leading link (

a

31.12).

31 42 420 

Removing and installing 

front suspension strut

•

Remove side panels (

a

46.8).

•

Remove fuel tank (

a

16.5).

•

Remove the horn, if necessary.

•

Remove spring strut.

•

Installation is the reverse of the removal proce-
dure.

X 

Tightening torque:

Spring strut to frame .................................... 43 Nm
Spring strut to leading link............................ 50 Nm

31 5 640

R22310060

2

1

32.1

Contents

Page

32

Technical Data

............................................................................................................................... 3

Removing and installing handlebar grip unit 

................................................................5

Removing and installing left handlebar grip unit 

...............................................................5

Removing and installing left multi-function switch ................................................................................6
Removing and installing clutch switch  .................................................................................................6

Removing and installing clutch piston in handlebar fitting 

...........................................7

Adjusting blow-by clearance at handlebar fitting for clutch  ..................................................................8

Removing and installing right handlebar grip unit 

............................................................9

Removing and installing right multi-function switch  ........................................................................... 10
Removing and installing front-brake switch for brake light  ................................................................. 10

Removing and installing brake piston in handlebar fitting 

.......................................... 11

Adjusting blow-by clearance at handlebar fitting for brake  ................................................................. 12

Removing and installing handlebars 

............................................................................... 13

Removing and installing left handlebar 

............................................................................... 13

Removing and installing right handlebar 

............................................................................ 14

Removing and installing Bowden-cable divider, Bowden cable for throttle 
actuation and starting-speed increase 

.......................................................................... 15

Disassembling Bowden-cable divider 

................................................................................. 16

32 Steering

32.2