Technical Data



Air/liquid-cooled four stroke flat twin engine, double overhead camshaft, one balance shaft and variable engine timing system BMW ShiftCam. 

Bore / stroke

102,5 mm x 76 mm 


1,254 ccm 

Rated output

100 kW (136 PS) at 7,750 U/min 

Max. torque

143 Nm at 6,250 U/min 

Compression ratio

12,5 : 1

Mixture control

Electronic intake pipe injection 

Emission control

Closed-loop 3-way catalytic converter, emission standard EU-4 

Performance / fuel consumption

Maximum speed

Over 200 km/h

Fuel consumption per 100 km based on WMTC

4,75 l

CO2 emission based on WMTC

110 g/km

Fuel type

Unleaded super, octane number 95 (RON), adapive fuel quality regulation (91 to 98 RON) 

Electrical system


Three-phase alternator 510 W (nominal power) 


12 V / 11.8 Ah, maintenance-free 

Power transmission


Oil lubricated clutch, hydraulically operated 


Constant mesh 6-speed gearbox with helical gear teeth 


Shaft drive 

Chassis / brakes


Two-section frame, front- and bolted on rear frame, load-bearing engine 

Front wheel location / suspension

BMW Motorrad Telelever; stanchion diameter 37 mm, central spring strut 

Rear wheel location / suspension

Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel 

Suspension travel, front / rear

190 mm / 200 mm 


1,514 mm


100.6 mm

Steering head angle



Cast aluminium wheels 

Rim, front

3,00 x 19"

Rim, rear

4,50 x 17"

Tyre, front

120/70 R 19

Tyre, rear

170/60 R 17

Brake, front

Dual disc brake, floating brake discs, diameter 305 mm, 4-piston radial calipers 

Brake, rear

Single disc brake, diameter 276 mm, double-piston floating caliper 


BMW Motorrad Integral ABS (part-integral), disengageable 

Dimensions / weights

Seat height

850 / 870 mm (lowered suspension* 800 / 820 mm) *OE 

Inner leg curve

1870 / 1910 mm (lower seat height* 1750 / 1790 mm) *OE 

Usable tank volume

20 l


Approx. 4 l 

Length (over mud guard)

2.207 mm

Height (over windshield)

1.430 mm


952,5 mm

Unladen weight, road ready, fully fuelled 1)

249 kg

Permitted total weight

465 kg

Payload (with standard equipment)

216 kg

1) According to guideline VO (EU) 168/2013 with all fluids, with standard equipment and fuelled with at least 90% of usable tank volume.

Standard equipment

  • TFT rider information display with connectivity
  • full LED headlight
  • ASC (Automatic Stability Control)
  • 2 riding modes (Rain, Road)
  • HSC (Hill Start Control) 
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For your needs.

The R 1250 GS is available with a wide range of optional extras and Original BMW Motorrad accessories. This allows you to assemble your motorcycle according to your own wishes.

Learn more