Data sheet
Dimensions & weights
- Wet weight
- 192 kg
- Seat height
- 800 / 840 mm
- Wheelbase
- 1477 mm
- Suspension travel
- 170 / 170 mm
- Payload capacity
- 188 kg
Engine & drivetrain
- Engine
- 652 cc · Single
- Cooling
- Liquid cooled
- Output
- 50 hp · 60 Nm
- Transmission
- 5-speed
- Final drive
- Chain
- Fuelling
- Electronic fuel injection
Fuel & range
- Fuel capacity
- 14 L
- Real world range
- 325435 km
Electronics & rider aids
- Ride modes
- None
- Cruise control
- No
- Traction control
- No
- ABS
- Yes · fully defeatable
- Heated grips
- No
- Heated seat
- No
Service intervals
- Service interval
- 10,000 km
- Valve check
- 20,000 km
- Chain lube
- every 1,000 km
Protection
- Bash plate
- None
- Radiator guard
- Yes
- Oil cooler guard
- No
- Hand guards
- No
Consumables & service specs
Every value carries its source.
Tyres
- Front
- 110/80-19BMW OM G650GS · official
- Rear
- 140/80-17BMW OM G650GS · official
Tyre pressures
- Front — solo
- 2.2 barCold tyreBMW OM G650GS · official
- Rear — solo
- 2.5 barCold tyre, single riderBMW OM G650GS · official
- Front — loaded
- 2.2 barCold tyre, front pressure unchanged with passenger/payload per manualBMW OM G650GS · official
- Rear — loaded
- 2.9 barCold tyre, with passenger and payloadBMW OM G650GS · official
Engine oil
- Viscosity
- SAE 15W-50BMW OM G650GS · official
- Capacity
- 2.3 lTotal filling quantity with filter replacement (2.4 US quarts)BMW OM G650GS · official
Brakes
- Fluid type
- DOT 4BMW OM G650GS · official
Spark plugs
- Type
- NGK DR 8 EBSingle-cylinder engine with twin spark ignitionBMW OM G650GS · official
- Gap
- 0.6-0.7 mmNew plug gap (0.02-0.03 in)BMW OM G650GS · official
- Quantity
- 1Single-cylinder engine (though BMW press kit notes twin spark ignition, suggesting two plugs per cylinder on some references; official rider's manual lists spec singular). Flagged for verification.BMW OM G650GS · official
Battery
- Type
- Lead-acid battery, 12V/12AhBMW OM G650GS · official
Fuel
- Minimum octane
- 91 RON / 87 AKI (regular unleaded)BMW OM G650GS · official
- Ethanol tolerance
- Up to E10 (max. 10% ethanol)BMW OM G650GS · official
What breaks first and where.
Engine stall at idle with clutch engaged (NHTSA recall 16V-689)
SeriousOccasionalBMW-issued safety recall for G650GS and G650GS Sertao motorcycles: the engine control unit software regulating idle speed could allow the engine to stall when the clutch lever is engaged and the engine is at idle. Stalling typically occurred shortly before the motorcycle came to a stop. Root cause traced to loss of correct idle-stepper-motor position values after an ECU shutdown event. This recall superseded an earlier related campaign (15V-537).
Symptoms
- Engine stalls when clutch lever is pulled in at idle
- Stall typically occurs shortly before coming to a stop
Field repairableNo — Remedy is a dealer-installed revised engine control unit (ECU) software update; not a rider-serviceable field repair.
Decompression lever / exhaust valve clearance issue (hot no-start)
ModerateOccasionalDocumented case of a G650GS Sertao where the motorcycle would crank but not start when the engine was warm, resolved only after cooling for 10-15 minutes. Dealer diagnosis found exhaust valve clearance too loose and performed a BMW-issued bulletin replacing/adjusting the decompression lever on the exhaust camshaft, per BMW Motorrad USA service bulletin dated August 2012.
Symptoms
- Engine cranks but won't start when warm
- Starts fine when cold
- Resolves after cooling for 10-15 minutes
Field repairableNo — Requires dealer-performed bulletin work: reshimming exhaust valve clearance and/or replacing the decompression lever on the exhaust camshaft.
Intermittent random stall with electrical fault codes
ModerateOccasionalMultiple ADVrider threads document G650GS units randomly stalling at speed (engine cuts out like the kill switch was hit), sometimes recoverable only after disconnecting the battery briefly. GS-911 diagnostic scans in one case returned an 'electrical system undervoltage' code and a 'speed sensor (rpm) signal implausible' code, both intermittent/no-longer-present at time of scan, making root-cause diagnosis difficult.
Symptoms
- Engine suddenly quits while riding at speed
- Engine restarts only after disconnecting/reconnecting battery in some cases
- Intermittent electrical fault codes on diagnostic scan
Field repairableYes — Some owners report resetting throttle position sensor adaptation values (ignition on, engine off, cycle throttle 0-100-0 three times, then ignition off) resolves stalling for them; root electrical cause not conclusively identified across all reported cases.
Fuel pump housing / cap leak
ModerateRareDocumented case of fuel leaking from under the fuel pump housing cap (the part that threads onto the fuel tank holding the in-tank fuel pump) while the engine is running.
Symptoms
- Fuel visibly leaking from underside of fuel pump cap while engine running
Field repairableYes — Reported fix involves resealing or replacing the fuel pump housing cap/gasket; specific steps not fully detailed in the source thread.
