2010 BMW MOTORRAD G 650 GS maintenance

Adjust the chain sag
Make sure the ground is leveland firm and place the motor-cycle on its stand.
Slacken quick-release axlenut1, counter-holding at theleft-hand side if necessary.
Use adjusting screws2on leftand right to adjust chain sag.
Checking chain sag (75).
Make sure that scale read-ings3are the same on left andright.
Tighten quick-release axlenut1to the specified torque,
counter-holding at the left-handside if necessary.
Fastener, quick-releaseaxle, rear
100 Nm
Checking chain wear
Make sure the ground is leveland firm and place the motor-cycle on its stand.
Accelerated wear.
If a component of thechainset is found to be worn,
the entire chainset has to bereplaced.
Pull the chain back at the rear-most point of the sprocket.
The tips of the sprocket teethmust remain inside the chainlinks.
If the chain can be pulled backfar enough to expose the tips ofthe sprocket teeth:
Consult a specialist workshop,preferably an authorised BMWMotorrad dealer.
Wheels
Tyre recommendation
For each size of tyre BMWMotorrad tests and classifiesas roadworthy certain makes.BMW Motorrad cannot assessthe suitability or provide anyguarantee of road safety for othertyres.
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zMaintenance

BMW Motorrad recommendsusing only tyres tested by BMWMotorrad.
You can obtain detailed informa-tion from your authorised BMWMotorrad dealer or on the Inter-net at www.bmw-motorrad.com.
Effect of wheel size
on suspension-control
systems
Wheel size is very important as aparameter for the ABS. In partic-ular, the diameter and the widthof a motorcycle's wheels are pro-grammed into the control unitand are fundamental to all cal-culations. Any change in theseinfluencing variables, caused forexample by a switch to wheelsother than those installed ex-works, can have serious effectson the performance of the sys-tem.
The sensor rings are essential forcorrect road-speed calculation,
and they too must match themotorcycle's system and con-sequently cannot be changed.
If you decide that you would liketo fit non-standard wheels toyour motorcycle, it is very im-portant to consult a specialistworkshop beforehand, preferablyan authorised BMW Motorraddealer. In some cases, the dataprogrammed into the control unitcan be changed to suit the newwheel sizes.
Removing front wheel
without centre standOE
Make sure the ground is leveland firm and place the mo-torcycle on a suitable auxiliarystand.
with centre standOE
Make sure the ground is leveland firm and place the motor-cycle on its centre stand.
Remove screw1and removethe ABS sensor from its bore.
Raise front of motorcycle untilthe front wheel can turn freely.BMW Motorrad recommendsthe BMW Motorrad front-wheelstand for lifting the motorcycle.
Install the front-wheel stand(83).
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zMaintenance

Release axle clamping screw2.
Remove axle3, while support-ing the wheel.
Do not remove the grease fromthe axle.
Roll the front wheel forward toremove.
Remove spacing bushings4and5from the wheel hub.
Installing front wheel
Slip spacing bushings5and4onto the wheel hub.
The front wheel must beinstalled right way round torotate in the correct direction.
Note the direction-of-rotation ar-rows on the tyre or the wheelrim.
Roll the front wheel into posi-tion between the forks, makingsure that the brake disc passesbetween the brake pads.
Raise the front wheel, insertaxle3and tighten to specifiedtorque.
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Fastener, quick-releaseaxle, front
45 Nm
Remove the front-wheel stand.
Apply the front brake and firmlycompress the front forks sever-al times
Tighten axle clamping screw2to the specified torque.
Clamp, front quick-re-lease axle
23 Nm
Insert the ABS sensor into itsbore and install screw1.
without centre standOE
Remove the auxiliary stand.
Removing rear wheel
Make sure the ground is leveland firm and place the motor-cycle on its stand.
Remove two screws1.
Remove three screws2andremove the rear-wheel cover.
without centre standOE
Make sure the ground is leveland firm and place the mo-
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zMaintenance

torcycle on a suitable auxiliarystand.
with centre standOE
Make sure the ground is leveland firm and place the motor-cycle on its centre stand.
Remove screw1of the speedsensor and remove the speedsensor from the holder.
Remove axle nut2, counter-holding at the left-hand side ifnecessary.
Slacken adjusting screws3onleft and right by turning themcounter-clockwise.
Push the rear wheel as far for-ward as possible and disen-gage the chain from sprock-et4.
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Remove quick-release axle5,supporting the rear wheel asyou do so.
Roll the rear wheel back untilit is clear of the swinging arm,while holding the brake caliperon the left-hand side.
The sprocket and thespacer sleeves on leftand right are loose fits in thewheel. Make sure that theseparts are not damaged or lost onremoval.
Install the rear wheel
Threaded fasteners nottightened to the specifiedtorque can work loose or theirthreads can suffer damage.
Always have the security of thefasteners checked by a specialistworkshop, preferably an author-ised BMW Motorrad dealer.
Make sure that the brake cal-iper moves on guide6.
Roll the rear wheel into theswinging arm, making sure thatthe brake disc passes betweenthe brake pads.
Lift the rear wheel and workquick-release axle5throughthe swinging arm, the brakecaliper and the rear wheel.
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zMaintenance

Roll the rear wheel as far for-ward as possible and loop thechain over sprocket4.
Install axle nut2, but do nottighten it at this point.
Seat the speed sensor in theholder and install screw1ofthe speed sensor.
Adjust the chain sag (76).
without centre standOE
Remove the auxiliary stand.
Hold the rear-wheel coverin position and install threescrews2.
Install two screws1.
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zMaintenance

BMW Motorrad front-
wheel stand
Install the front-wheel
stand
without centre standOE
Place the motorcycle on a suit-able auxiliary stand.
with centre standOE
Make sure the ground is leveland firm and place the motor-cycle on its centre stand.
The BMW Motorrad frontwheel stand is not designedto support motorcycles not fittedwith a centre stand or withoutother auxiliary stands. A motor-cycle resting only on the frontwheel stand and the rear wheelcan topple.
Place the motorcycle on itscentre stand or another auxiliarystand before lifting the front
wheel with the BMW Motorradfront-wheel stand.
Use the front-wheel stand withthe number (0 402 240).
Slacken adjusting screws1ofthe front-wheel stand.
Push the two adapters2apartuntil the front forks fit betweenthem.
Use locating pins3to set thefront-wheel stand to the de-sired height.
Install rubber buffers4in thetop positions on left and right.
Centre the front-wheel standrelative to the front wheel andpush it against the front axle.
Align the two adapters2sothat the front forks are securelyseated.
Tighten adjusting screws1.
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zMaintenance