2010 BMW MOTORRAD G 650 GS engine

Topping up engine oil
Make sure the ground is leveland firm and place the motor-cycle on its stand.
Wipe the area around the fillerneck clean.
Remove oil dipstick1.
Damage to the enginecan result if it is operatedwithout enough oil, but the samealso applies if the oil level is toohigh.
Always make sure that the oillevel is correct.
Top up the engine oil to thespecified level.
Check the engine oil level(66).
Install the oil dipstick.
Brake system
Reliability
A fully functional brake system isa basic requirement for the roadsafety of your motorcycle.
Do not ride the motorcycle if youhave any doubts about the de-pendability of the brake system.
Under these circumstances havethe brake system checked by aspecialist workshop, preferablyan authorised BMW Motorraddealer.
Incorrect working practicesendanger the reliability ofthe brakes.
Have all work on the brake sys-
tem undertaken by trained andqualified specialists.
Check operation of the
brakes
Pull the handbrake lever.
The pressure point must beclearly perceptible.
Press the footbrake lever.
The pressure point must beclearly perceptible.
If pressure points are not clearlyperceptible:
Have the brakes checked by aspecialist workshop, preferablyan authorised BMW Motorraddealer.
Brake pads
Check the front brake pad
thickness
Make sure the ground is leveland firm and place the motor-cycle on its stand.
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zMaintenance

Connect plug5.
Seat the intake air pipe inmount4.
Seat the intake air pipe inguides7of the air filterhousing. Take care not tobend the rubber seals of the airfilter element out of shape.
Install connecting flange2.
Install two screws1.
Install the right side panel(97).
Jump starting
The wires leading to thepower socket do not havea load-capacity rating adequatefor jump-starting the engine. Ex-cessively high current can leadto a cable fire or damage to thevehicle electronics.
Do not use the on-board socketto jump-start the engine of themotorcycle.
A short-circuit can res-ult if the crocodile clipsof the jump leads are accident-ally brought into contact with themotorcycle.
Use only jump leads fitted withfully insulated crocodile clips atboth ends.
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zMaintenance

Jump-starting with a donor-battery voltage higher than12 V can damage the vehicleelectronics.
Make sure that the battery of thedonor vehicle has a voltage ratingof 12 V.
Make sure the ground is leveland firm and place the motor-cycle on its stand.
Remove the seat (38).
Remove cover1from the bat-tery connection point.
Begin by connecting one endof the red jump lead to themotorcycle's battery connec-
tion point and the other endto the positive terminal of thedonor vehicle's battery.
Connect one end of the blackjump lead to a suitable earthingpoint on the motorcycle (e.g.screw2) and the other end toa suitable earthing point on thedonor vehicle or the negativeterminal of the donor vehicle'sbattery.
Run the engine of the donorvehicle during jump-starting.
Start the engine of the vehiclewith the discharged batteryin the usual way; if the en-gine does not start, wait a fewminutes before repeating theattempt in order to protect thestarter motor and the donorbattery.
Allow both engines to idle for afew minutes before disconnect-ing the jump leads.
Disconnect the jump lead fromthe negative terminal and the
ground point first, then dis-connect the second jump leadfrom the positive terminal andthe battery connection point.
Do not use proprietarystart-assist sprays or oth-er products to start the engine.
Installing seat (39).
Battery
Maintenance instructions
Correct upkeep, recharging andstorage will prolong the life ofthe battery and are essential ifwarranty claims are to be con-sidered.
Compliance with the points be-low is important in order to max-imise battery life:
Keep the surface of the batteryclean and dry
Be sure to read and complywith the instructions for char-
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zMaintenance

Technical data
Technical data
Troubleshooting chart . . . . . . . . . . . . . 106
Threaded fasteners . . . . . . . . . . . . . . . . 107
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Transmission . . . . . . . . . . . . . . . . . . . . . . 111
Rear-wheel drive . . . . . . . . . . . . . . . . . . . 112
Running gear . . . . . . . . . . . . . . . . . . . . . . 112
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Wheels and tyres . . . . . . . . . . . . . . . . . . 113
Electrics . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 117
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Riding specifications . . . . . . . . . . . . . . . 11810
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zTechnical data

Troubleshooting chart
Engine does not start at all or is difficult to start.
Possible cause Remedy
Emergency off switch (kill switch) Kill switch in operating position (run).
Side standRetract the side stand (44).
Gear engaged and clutch not disengaged.Select neutral or pull clutch lever (44).
No fuel in tankRefuelling (49).
Battery flatCharge the battery when connected (94).
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zTechnical data

Engine
Engine designSingle-cylinder four-stroke, double overhead cam-shafts driven by roller chain, 4 valves operated bybucket tappets, balancing shaft, liquid-cooled cyl-inder and cylinder head, integral water pump, 5-speed gearbox and dry sump lubrication.
Displacement652 cm3
Cylinder bore100 mm
Piston stroke83 mm
Compression ratio11.5:1
Nominal output37 kW, - at engine speed: 6500 min-1
with power reductionOA25 kW, - at engine speed: 5500 min-1
Torque60 Nm, - at engine speed: 4800 min-1
with power reductionOA51 Nm, - at engine speed: 4000 min-1
Maximum engine speedmax 7500 min-1
Idle speed1480 min-1
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zTechnical data

Fuel
Recommended fuel gradeRegular, unleaded
91 ROZ/RON
87 AKI
Usable fuel capacityapprox. 17.3 l
Reserve fuelapprox. 4 l
BMW recommends BP fuels
Engine oil
Engine oil, capacity2.3 l, Total capacity (with filter change)
1.7 l, Oil tank - prefilling
0.6 l, Oil tank - topping up
of products recommended by BMW Motorrad and generally admissible viscosity classes
Castrol GPS SAE 10W-40, API SG / JASO MA
-20 °C
SAE 10W-40, API SF / SG / SH
-20 °C, Operation in winter
SAE 15W-40, API SF / SG / SH
-10 °C
BMW recommends
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zTechnical data

Oil gradesBMW Motorrad recommends not using oil addit-ives, because they can have a detrimental effecton clutch operation. Please do not hesitate tocontact your authorised BMW Motorrad dealerif you have any questions relating the choice of asuitable engine oil for your motorcycle.
BMW recommends
Clutch
Clutch typeMultiplate clutch running in oil bath
Transmission
Gearbox typeclaw-shift 5-speed gearbox
Gearbox transmission ratios1.946 (37:72 teeth), Primary transmission ratio
2.750 (12:33 teeth), 1st gear
1.750 (16:28 teeth), 2nd gear
1.313 (16:21 teeth), 3rd gear
1.045 (22:23 teeth), 4th gear
0.875 (24:21 teeth), 5th gear
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zTechnical data