BMW F 850 GS 2021 vs. BMW R 1250 GS Adventure 2020

Technical Specifications BMW F 850 GS 2021 compared to BMW R 1250 GS Adventure 2020

BMW F 850 GS 2021

BMW R 1250 GS Adventure 2020

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Differences

BMW F 850 GS 2021

BMW R 1250 GS Adventure 2020

Engine and Drive Train

Engine type	Engine type	In line	Engine type	Boxer
Bore	Bore	84 mm	Bore	102.5 mm
Stroke	Stroke	77 mm	Stroke	76 mm
Engine power	Engine power	95 HP	Engine power	136 HP
Rpm at Max. Power	Rpm at Max. Power	8,250 rpm	Rpm at Max. Power	7,750 rpm
Torque	Torque	92 Nm	Torque	143 Nm
Rpm at Torque	Rpm at Torque	6,250 rpm	Rpm at Torque	6,250 rpm
Compression Ratio	Compression Ratio	12.7	Compression Ratio	12.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Throttle Bore	Throttle Bore	48 mm	Throttle Bore	52 mm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Antihopping
Transmission	Transmission	Chain	Transmission	Prop shaft
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid-air
Can be restricted for A2 licence	Can be restricted for A2 licence	Yes	Can be restricted for A2 licence	Yes
Displacement	Displacement	853 ccm	Displacement	1,254 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Telelever
Diameter	Diameter	43 mm	Diameter	37 mm
Travel	Travel	204 mm	Travel	210 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Single swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	219 mm	Travel	220 mm
Adjustment	Adjustment	Preload, Rebound	Adjustment	Preload, Rebound
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Tubular, Load-bearing engine	Frame type	Load-bearing engine
Rake	Rake	62 degree	Rake	65.1 degree
Trail	Trail	126 mm	Trail	95.4 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	305 mm	Diameter	305 mm
Piston	Piston	Double piston	Piston	Four pistons
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	265 mm	Diameter	276 mm
Piston	Piston	Single piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS, Anti-slipping control, Riding modes, Ride by Wire

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	19 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	170 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	60 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,305 mm	Length	2,270 mm
Width	Width	922 mm	Width	952 mm
Wheelbase	Wheelbase	1,593 mm	Wheelbase	1,504 mm
Seat Height	Seat Height	860 mm	Seat Height	890 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	229 kg	Kerb Weight (with ABS)	268 kg
Fuel Tank Capacity	Fuel Tank Capacity	15 l	Fuel Tank Capacity	30 l
License compliancy	License compliancy	A	License compliancy	A