BMW AG Motorcycle (F 650 GS). Manual - part 31

34.16

Caution:

Top up brake fluid and bleed brake system.
Operate brake several times until brake pads rest on
disc.

Tightening torque:

Brake line to ABS control unit ...................... 18 Nm
Brake line at interface to
brake hose ................................................... 18 Nm
Expansion tank to radiator.............................. 9 Nm
ABS control unit to holder ............................ 21 Nm

Removing and installing front brake
lines/hoses (with ABS)

Removing and installing brake lines

–

Place the motorcycle on its main (centre) stand.

–

Remove seat.

–

Remove left cover.

•

Drain the brake system.

•

Disconnect the expansion tank and pull it to one
side.

•

Disconnect brake line to brake calliper (1) and
brake line to brake master cylinder (2) at control
unit.

•

Disconnect brake line to brake calliper (4) and
brake line to brake master cylinder (3) at inter-
face.

•

Release the brake line from the clips on the
frame.

•

Remove the brake lines.

•

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

•

Begin by installing the brake line from the brake
master cylinder to the ABS control unit and then
tighten the securing screw on the control unit.

•

Tighten the screws securing the brake lines to
the control unit and the interface to the brake
hoses.

Caution:

Top up brake fluid and bleed brake system.
Operate brake several times until brake pads are
correctly seated.

Tightening torque:

Brake line to ABS control unit ...................... 18 Nm
Brake line at interface to brake hose ............ 18 Nm
Expansion tank to radiator ............................. 9 Nm

E340170

E340180

34.17

34 32 401

Removing and installing front

brake hoses

–

Place the motorcycle on its main (centre) stand.

–

Remove seat.

–

Remove left cover.

Caution:

Refer to notes on the hazards involved in handling
brake fluid.

•

Drain the brake system.

•

Disconnect brake hose from brake calliper.

•

[ABS] Disconnect the brake hoses at the inter-
face to the brake lines (arrows).

•

Cut the cable ties on the brake hose and the sen-
sor cable.

•

Disconnect the brake hose from the brake mas-
ter cylinder.

•

Release the brake hose from the clip on the
throttle cable.

•

Remove the brake hose.

•

[ABS] Remove both brake hoses.

•

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

Note:

Replace the sealing rings for the brake hoses.

Caution:

Top up brake fluid and bleed brake system.
Operate brake several times until brake pads are
correctly seated.

Tightening torque:

Brake hose to brake master cylinder ............ 18 Nm
Brake hose to brake calliper......................... 18 Nm
Brake hose at interface to
brake line ..................................................... 18 Nm

Removing and installing rear brake
lines/hoses (with ABS)

Removing and installing brake lines

–

Place the motorcycle on its main (centre) stand.

–

Remove seat.

•

Drain the rear brake system.

•

Disconnect brake line from brake master cylin-
der.

–

Raise the rear frame.

....................................................See Group 46

•

Release the brake line from the holder (arrow) on
the frame.

E340190

E340230

34.18

•

Disconnect brake line to brake master
cylinder (1) before disconnecting brake line to
brake calliper (2) at control unit.

•

Lift the brake line, turn it and pull it to the rear to
remove.

•

Disconnect the brake line at the interface to the
hose at the control unit.

•

Cut through cable tie (arrow).

•

Disconnect brake line (3) at interface to brake
hose.

•

Pull the brake line to the rear to remove.

•

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

•

Retighten brake line at interface to brake hose.

•

Tighten the screws securing the brake line to the
control unit.

•

Secure brake line to brake master cylinder.

Caution:

Top up brake fluid and bleed brake system.
Operate brake several times until brake pads are
correctly seated.

Tightening torque:

Brake line to ABS control unit ...................... 18 Nm
Brake line at interface to brake hose ............ 18 Nm
Brake line to brake master cylinder .............. 18 Nm

34 52 080

Removing and installing brake

hose

–

Place the motorcycle on its main (centre) stand.

•

Drain the brake system.

•

Cut the 2 cable ties on the brake hose and the
ABS sensor cable.

•

Disconnect brake hose from brake calliper.

•

Disconnect brake hose at interface to brake line.

•

Open 2 clips on the swinging arm and remove
the brake hose.

•

Release the brake hose from the clips on the
swinging arm.

•

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

Note:

Replace the sealing rings for the brake hoses.

Caution:

Top up brake fluid and bleed brake system.
Operate brake several times until brake pads are
correctly seated.

Tightening torque:

Brake hose at interface to brake line ............ 18 Nm
Brake hose to brake calliper......................... 18 Nm

E340220

E340240

34.19

34 52 544

Checking/adjusting front

ABS sensor gap

Caution:

Always check the ABS sensor gap after replace-
ment of ABS sensor, sensor ring, wheel bearing,
front wheel, front forks, spacer, quick-release axle
or brake disc.

–

Lift front wheel clear of the ground.

•

Using a feeler gauge, measure the gap between
ABS sensor (1) and sensor ring (2) at three points
120° apart.

Adjusting ABS sensor gap
–

If gap is greater than 1 mm (0.04 in) at one or
more points.

•

Remove ABS sensor (1).

•

Remove washer (3).

–

If gap is less than 0.1 mm (0.004 in) at one or
more points.

•

Slacken ABS sensor (1).

•

Install washer (3).

Caution:

After adjusting, spin the wheel and make sure that
the ABS sensor does not touch the sensor ring.

ABS sensor gap .... 0.10...1.0 mm (0.004...0.04 in)

Tightening torque:

Front ABS sensor .......................................... 9 Nm

34 52 544

Checking/adjusting rear

speed/ABS sensor gap

Caution:

Always check the speed/ABS sensor gap after re-
placement of ABS sensor, sensor ring, brake-calli-
per bracket, spacer sleeve, rear wheel or wheel
bearing.

–

Lift rear wheel clear of the ground.

•

Remove wheel cover and chain cover.

•

Using a feeler gauge, measure the gap between
ABS sensor (4) and sensor ring (5) at three points
120° apart.

Adjusting ABS sensor gap
–

If gap is greater than 1 mm (0.04 in) at one or
more points.

•

Remove ABS sensor (4).

•

Remove washer (6).

–

If gap is less than 0.1 mm (0.004 in) at one or
more points.

•

Slacken ABS sensor (4).

•

Install washer (6).

Caution:

After adjusting, spin the wheel and make sure that
the ABS sensor does not touch the sensor ring.

ABS sensor gap .... 0.10...1.0 mm (0.004...0.04 in)

Tightening torque:

Rear ABS sensor............................................ 9 Nm

E340300

E340310

34.20

36.1

Contents

Page

Technical Data

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

Removing/installing front wheel

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

Removing front wheel

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

Installing the front wheel

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

Removing/installing front wheel bearing

...............................................................................6

Removing left-hand wheel bearing  ......................................................................................................6
Removing right-hand wheel bearing  ....................................................................................................6
Installing wheel bearings  .....................................................................................................................7

Removing/installing rear wheel

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

Removing/installing rear wheel bearings

..............................................................................8

Removing left-hand wheel bearing  ......................................................................................................8
Removing right-hand wheel bearing  ....................................................................................................8
Installing wheel bearings  .....................................................................................................................9

Removing/installing bearing in chainwheel carrier

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

Removing/installing wheel spokes

...................................................................................10

Removing/installing front wheel spokes

.............................................................................10

Outer left spokes ...............................................................................................................................10
Inner left spokes ................................................................................................................................10
Outer right spokes ............................................................................................................................11
Inner right spokes .............................................................................................................................11

Removing/installing rear wheel spokes

...............................................................................12

Outer left and right spokes ................................................................................................................12
Inner left and right spokes .................................................................................................................12

Checking and centering front and rear wheel rims

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

Checking rims

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

Centering lateral runout

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

Centering vertical runout

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

Static balancing of front/rear wheel

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

36 Wheels and tyres

36.2