2007 BMW MOTORRAD G 650 XCHALLENGE torque

OverviewChapter 2 of this Rider's Manu-
al will provide you with an initial
overview of your motorcycle. All
maintenance and repair work on
the motorcycle is documented in
Chapter 11. This record of the
maintenance work you have had
performed on your motorcycle is
a precondition for generous treat-
ment of goodwill claims.
When the time comes to sell
your BMW, please remember
to hand over this Rider's Manu-
al; it is an important part of the
motorcycle.Abbreviations and
symbols
Indicates warnings that you
must comply with for reas-
ons of your safety and the safety
of others, and to protect your
motorcycle against damage.Specific instructions on
how to operate, control, ad-
just or look after items of equip-
ment on the motorcycle.
Indicates the end of an
item of information.
Instruction.
Result of an activity.
Reference to a page with
more detailed informa-
tion.
Indicates the end of a
passage relating to spe-
cific accessories or items
of equipment.
Tightening torque.
Item of technical data.OE Optional extra
The motorcycles are as-
sembled complete with
all the BMW optional ex-
tras originally ordered.
OA Optional accessory
You can obtain option-
al accessories through
your authorised BMW
Motorrad dealer; optional
accessories have to be
retrofitted to the motor-
cycle.
ABSAnti-lock brake system
Air Damping SystemThis motorcycle has an air-filled
rear suspension system. This Air
Damping System, as it is known,
does not work in the same way
as a conventional steel-spring
shock-absorber system. The de-
tailed description of this system
starts on page ( 34).
16zGeneral instructions

Adjusting mirror armSlacken nut1.
Turn the mirror arm to the ap-
propriate position.
Tighten the nut to the spe-
cified tightening torque, while
holding the mirror arm to en-
sure that it does not move out
of position.
Union nut, mirror
20 Nm
Pneumatic pumpUseYou can use the pump to check,
and if necessary correct, the
pressure in the Air Damping Sys-
tem ( 34) and in the tyres.Removing pneumatic
pumpRemove the seat ( 41)
Remove pneumatic pump1.
Installing pneumatic pumpSeat pneumatic pump1with
pressure gauge2down in the
holder.
Install the seat ( 42)Air pressure in the Air
Damping SystemAir Damping SystemThis motorcycle has an air-filled
rear suspension system known
as the Air Damping System.
In this system, it is a volume of
air in an enclosed chamber, not
a steel spring, that absorbs the
434zOperation

NotesThe Maintenance chapter de-
scribes straightforward proced-
ures for checking and replacing
certain wear parts.
Special tightening torques are lis-
ted as applicable. The tightening
torques for the threaded fasten-
ers on your motorcycle are listed
in the section entitled "Technical
data".
You will find information on more
extensive maintenance and re-
pair work in the Repair Manual
on DVD/CD-ROM (RepROM) for
your motorcycle, which is avail-
able from your authorised BMW
Motorrad dealer.
Some of the work calls for spe-
cial tools and a thorough know-
ledge of motorcycles. If you
are in doubt consult a specialist
workshop, preferably your author-
ised BMW Motorrad dealer.
ToolkitStandard on-board toolkit1 Fuse puller
Replacing fuses
2 Open-ended spanner, w/f
8/10
Adjusting chain tension
3 Open-ended spanner, w/f
19
Adjusting mirror arm
4 Open-ended spanner, w/f
19
Adjusting mirror arm5 Screwdriver handle
Holder for screwdriver blade9
6 3 mm Allen key
Replacing headlight bulb
7 4 mm Allen key
Removing and installing body
panels
8 6 mm Allen key
Adjusting headlight beam throw
9 Screwdriver blade
Star-head and flat-tip blade
Adjusting rear suspension
damping
864zMaintenance

Make sure that scale read-
ings4are the same on left and
right.
Tighten locknuts2on left and
right by turning them clock-
wise.
Locknut of the final-drive
chain tensioning screw
25 Nm
Tighten quick-release axle
nut1to the specified tight-
ening torque.
Nut on quick-release
axle, rear
80 NmChecking chain wearMake sure the ground is level
and firm and place the motor-
cycle on its stand.Pull the chain back at the rear-
most point of the sprocket.
The tips of the sprocket teeth
must remain inside the chain
links.
If the chain can be pulled back
far enough to expose the tips of
the sprocket teeth:
Consult a specialist workshop,
preferably an authorised BMW
Motorrad dealer.
WheelsRecommended tyresFor each size of tyre BMW Mo-
torrad tests and classifies as
roadworthy certain makes. BMW
Motorrad cannot assess the suit-
ability or provide any guarantee
of road safety for other tyres.
BMW Motorrad recommends
using only tyres tested by BMW
Motorrad.
You can obtain detailed informa-
tion from your authorised BMW
Motorrad dealer or on the Inter-
net at www.bmw-motorrad.com.Removing front wheelPlace the motorcycle on a suit-
able auxiliary stand. BMW Mo-
torrad recommends the BMW
Motorrad auxiliary stand.
Install the auxiliary stand
( 81)
875zMaintenance

lever when the brake calipers
have been removed.
Roll the front wheel clear of the
forks.
Remove spacer sleeve7.
Installing front wheelInstall spacer sleeve7.
The front wheel must be
installed right way round to
rotate in the correct direction.
Note the direction-of-rotation ar-
rows on the tyre or the wheel
rim.
Roll the front wheel into posi-
tion between the forks, making
sure that the brake disc passes
between the brake pads.Install axle5.
Threaded fasteners not
tightened to the specified
torque can work loose or their
threads can suffer damage.
Always have the security of the
fasteners checked by a specialist
877zMaintenance

workshop, preferably an author-
ised BMW Motorrad dealer.
Tighten axle screw3to the
specified torque; if necessary
use a screwdriver to counter-
hold at the right-hand side.
Nut on quick-release
axle, front
80 Nm
Remove the front-wheel stand.
Without operating the brakes:
firmly compress the forks and
release; repeat the procedure
several times.
Tighten left axle clamping
screws2to the specified
tightening torque.
Front-axle retainer
10 NmTighten right axle clamping
screws4to the specified tight-
ening torque.
Front-axle retainer
10 Nmwith OE BMW Motorrad ABS:
Seat the ABS sensor in the
holder and install screw1of
the ABS sensor.
Remove the auxiliary stand.
Firmly pull the brake lever sev-
eral times to seat the brake
pads against the brake disc.
Removing rear wheelPlace the motorcycle on a suit-
able auxiliary stand. BMW Mo-
torrad recommends the BMW
Motorrad auxiliary stand.
878zMaintenance

EngineEngine design Single-cylinder four-stroke, double overhead cam-
shafts driven by roller chain, 4 valves operated by
bucket tappets, balancing shaft, liquid-cooled cyl-
inder and cylinder head, integral water pump, 5-
speed gearbox and dry sump lubrication.
Displacement 652 cm
3
Cylinder bore 100 mm
Piston stroke 83 mm
Compression ratio 11.5:1
Nominal output 39 kW, - at engine speed: 7000 min
-1
Torque 60 Nm, - at engine speed: 5250 min
-1
Maximum engine speed max 7500 min
-1
Idle speed 1480 min
-1
10110zTechnical data

Status indicators
Overview, 20
Steering lock, 27
Locking, 28
T
Technical data
Battery, 117
Brakes, 114
Bulbs, 118
Clutch, 112
Dimensions, 119
Electrics, 117
Engine, 110
Engine oil, 111
Frame, 118
Fuel, 4, 111
Rear-wheel drive, 113
Running gear, 113
Spark plugs, 117
Standards, 7
Transmission, 112
Tyres, 115
Weights, 119
Wheels, 115Telltale lights, 17
Overview, 20
Toolkit, 14, 64
Torques, 109
Transmission
Technical data, 112
Troubleshooting chart, 108
Turn indicators
Operate, 15, 32
Replacing bulb, 90
Telltale light, 20
Tyres
BMW recommendations, 75,
115
Checking tread depth, 73
Checking tyre pressures, 40
Running in, 49
Technical data, 115
W
Warnings
Overview, 20
Warnings, overview, 21, 24
Weights, 119Wheels
Checking rims, 73
Removing and installing front
wheel, 75
Removing and installing rear
wheel, 78
Technical data, 115, 116
12134zIndex