| General |
|
Year
|
2021
|
2021
|
|
Manufacturer
|
BMW
|
BMW
|
|
Model Name
|
F 850 GS Adventure
|
F 850 GS Adventure
|
|
Trim Name
|
40 Years GS
|
40 Years GS
|
|
Generic Type (Primary)
|
Adventure
|
Adventure
|
| Engine |
|
Engine Type
|
4-stroke in-line two-cylinder engine, four valves per cylinder, two overhead camshafts, dry sump lubrication
|
4-stroke in-line two-cylinder engine, four valves per cylinder, two overhead camshafts, dry sump lubrication
|
|
Cooling System
|
Water-cooled
|
Water-cooled
|
|
Bore
|
84 mm
|
84 mm
|
|
Stroke
|
77 mm
|
77 mm
|
|
Displacement
|
853 cc
|
853 cc
|
|
Engine Power
|
Rated output: 90 hp (66 kW) at 8,000 rpm
|
Rated output: 90 hp (66 kW) at 8,000 rpm
|
|
Engine Torque
|
Max: 63 lb-ft (86 Nm) at 6,250 rpm
|
Max: 63 lb-ft (86 Nm) at 6,250 rpm
|
|
Compression Ratio
|
12.7 : 1
|
12.7 : 1
|
|
Emissions
|
Control: Closed-loop 3-way catalytic converter
|
Control: Closed-loop 3-way catalytic converter
|
| Performance |
|
Top Speed
|
Max: 122 mph
|
Max: 122 mph
|
| Fuel System |
|
Fuel Type
|
Premium Unleaded
|
Premium Unleaded
|
|
Fuel Injection
|
Electronic fuel injection
|
Electronic fuel injection
|
|
Fuel Economy: Combined City/Hwy
|
57 mpg (WMTC)
|
57 mpg (WMTC)
|
| Battery |
|
Battery
|
12 V / 10 Ah, maintenance-free
|
12 V / 10 Ah, maintenance-free
|
| Drivetrain |
|
Clutch
|
Multi-plate wet clutch, mechanically operated
|
Multi-plate wet clutch, mechanically operated
|
|
Gearbox
|
Constant-mesh 6-speed gearbox with straight cut gears
|
Constant-mesh 6-speed gearbox with straight cut gears
|
|
Drive System
|
Chain drive
|
Chain drive
|
| Chassis |
|
Frame Type
|
Tubular steel space frame , load bearing engine
|
Tubular steel space frame , load bearing engine
|
| Suspension |
|
Front Suspension
|
Upside-down telescopic fork, Ø 43 mm
|
Upside-down telescopic fork, Ø 43 mm
|
|
Rear Suspension
|
Cast aluminum 2-sided swing arm, WAD strut (travel related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable
|
Cast aluminum 2-sided swing arm, WAD strut (travel related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable
|
|
Front Travel (in./cm.)
|
9.1" (230 mm)
|
9.1" (230 mm)
|
|
Rear Travel (in./cm.)
|
8.5" (215 mm)
|
8.5" (215 mm)
|
| Brakes |
|
Front braking system
|
Dual floating disc brakes, dual-piston floating calipers, diameter 12.0" (305 mm)
|
Dual floating disc brakes, dual-piston floating calipers, diameter 12.0" (305 mm)
|
|
Rear braking system
|
Single disc brake, diameter 10.4" (265 mm), single-piston floating caliper
|
Single disc brake, diameter 10.4" (265 mm), single-piston floating caliper
|
|
ABS Option
|
BMW Motorrad ABS (can be switched off)
|
BMW Motorrad ABS (can be switched off)
|
| Wheels & Tires |
|
Wheels
|
Wire spoke wheels
|
Wire spoke wheels
|
|
Front Wheel
|
2.15 x 21"
|
2.15 x 21"
|
|
Rear Wheel
|
4.25 x 17"
|
4.25 x 17"
|
|
Front Tire
|
90/90 - 21 54V
|
90/90 - 21 54V
|
|
Rear Tire
|
150/70 - 17 69V
|
150/70 - 17 69V
|
| Dimensions |
|
Dimensions
|
Inner leg curve, unladen weight: , Standard Seat: 76.8"
|
Inner leg curve, unladen weight: , Standard Seat: 76.8"
|
|
Wheelbase
|
62.7" (1593 mm)
|
62.7" (1593 mm)
|
|
Castor
|
4.9" (125 mm)
|
4.9" (125 mm)
|
|
Steering
|
Head Angle: 62°
|
Head Angle: 62°
|
|
Length
|
90.6" (2,300 mm)
|
90.6" (2,300 mm)
|
|
Width
|
(incl. mirrors): 37.0" (939 mm)
|
(incl. mirrors): 37.0" (939 mm)
|
|
Height
|
(excl. mirrors): 56.6" (1,437 mm)
|
(excl. mirrors): 56.6" (1,437 mm)
|
|
Seat Height
|
(unladen weight), Standard: 34.4"
|
(unladen weight), Standard: 34.4"
|
| Capacities |
|
Payload Capacity
|
465 lbs (211 kg)
|
465 lbs (211 kg)
|
|
Fuel Capacity
|
Usable tank volume: 6.1 gal (23 l)
|
Usable tank volume: 6.1 gal (23 l)
|
|
Fuel Reserve
|
Approx. 0.9 gal (3.5 l)
|
Approx. 0.9 gal (3.5 l)
|
| Weights |
|
Weight
|
Unladen weight, road ready, fully fueled: 538 lbs (244 kg) | Permitted total weight: 1,003 lbs (455 kg)
|
Unladen weight, road ready, fully fueled: 538 lbs (244 kg) | Permitted total weight: 1,003 lbs (455 kg)
|
| Electric |
|
Alternator
|
Three-phase 416 W generator
|
Three-phase 416 W generator
|
|
|
|
|
