A complete overhaul of BMW Motorrad’s GS models of the F series has been announced by the Germans this week, the goal being to transform the nearly 11-year old motorcycles into "ultimate riding machines," regardless of terrain or purpose of the trip.
The 2018 series, embodied by the F 750 GS and F 850 GS, will use new 2-cylinder in-line engines, created to provide an increase in both power and torque. The 853 cc units fitted on the motorcycles have a power output of 57 kW (77 hp) at 7,500 rpm in the 750 GS, and 70 kW (95 hp) at 8,250 rpm in the 850 GS.
As with any motorcycle, the sound made by the two-wheeled machines is very important. BMW promises “a powerful and emotionally appealing sound” thanks to the use of a crankshaft with a 90 degree journal offset and a 270/450 degree firing interval.
Aside for the new engines, the revised F series uses a new steel bridge frame, with the fuel tank placed as usual between the seat bench and the steering head. There is also a new telescopic fork and a swinging arm with central spring strut to allow for more sensitive response.
As standard, the new F Series will be offered, with several safety features, including ABS, ASC and Rain and Road riding modes. Optionally, riders can choose electronic suspension adjustment and multi-functional instrument cluster and 6.5 inch full-color TFT display.
“The F 750 GS is designed for all riders who prefer the sensation and conceptual design of a travel enduro in combination with a low seat height, copious power availability, high cost-effectiveness, and powerful all-round qualities,” says BMW.
“Opposite this is the new F 850 GS, which besides offering more power and torque, features even more distinctive touring characteristics coupled with supreme off road ability.”
BMW F850 GS (2018) Technical specification
Engine
Power: 93.7bhp @ 8250rpm
Torque: 67.9lb.ft @ 6250rpm
Engine type: liquid-cooled 8v parallel twin
Engine size: 853cc
Bore/stroke: 84 x 77mm
Compression ratio: 12.7:1
Fuel system: Ride by wire, fuel injection
Clutch: Multi-plate with anti-hopping
Gearbox: 6-speed
Final drive: Chain
Chassis
Frame: Steel bridge
Swingarm: Aluminium double sided
Front suspension: 43mm inverted forks, non-adjustable
Rear suspension: Monoshock, adjustable preload and rebound (ESA option)
Front brake: 2 x 305mm discs, two-piston sliding calipers. ABS (dynamic optional)
Front tyre: 90/90 - 21
Front wheel: 2.15-inch x 21-inch
Rear brake: 265mm disc, one-piston caliper. ABS (dynamic optional)
Rear tyre: 150/70 - 17
Rear wheel: 4.25-inch x 17-inch
Seat height: 860mm (optional 815, 835, 875, 890mm)
Rake: 28-degrees
Trail: 126mm
Wheelbase: 1593mm
Wet weight: 229kg
Fuel tank capacity: 15-litres
Consumption (claimed): 4.1-litres / 100km
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