1996 BMW R850GS
Engine
Engine type Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled
Bore x Stroke 87.8 x 70.5 mm (3.45 x 2.77 inches)
Displacement 848 cc
Valves 4 valves per cylinder; hc,using chain drive,cup tappets, push rod and rockerarm
Compression ratio 10.3:1
Max Power 70 hp (52 KW) @ 7,000 rpm
Max Torque 77 Nm / 56 ft lb @ 5,500 rpm
Fuel system Electronic injection, Bosch Motronic MA 2.2
Transmission 5-speed; Dog type gearbox (ratchet foot lever)
Final drive Cardan
Clutch Dry single plate, with lever action diaphragm spring
Ignition type Electronic ignition, Bosch Motronic MA 2.2
Starting system Electric starter
Lubrication Wet sump
Exhaust
Spark plug Bosch FR6 DDC
Generator
Gear ratios 4.16 / 2.91 / 2.13 / 1.74 / 1.45 : 1
Dimensions
Frame type 3 part tubular space frame, engine serving as load bearing component
Castor
Overall length 2196 mm (86.45 inches)
Overall width 920 mm (36.22 inches)
Overall height 1366 mm (53.77 inches)
Wheelbase 1509 mm (59.40 inches)
Seat height 840 mm (33.07 inches)
Ground clearance 200 mm (7.87 inches)
Dry weight 243 kg
Fuel capacity 24 litres
Colors
Suspension (front) BMW Telelever fork with longitudinal control arm and central strut
Suspension (rear) BMW Paralever swinging arm
Tyre (front) 110/80 R19 59 H; BMW cross spoke wheels 2.50 x 19 MT H2
Tyre (rear) 150/70 R17 69 H; BMW cross spoke wheels 4.00 x 17 MT H2
Brake (front) Dual disc brake 305 mm / 12.00 in diameter
Brake (rear) Single disc brake 276 mm / 10.86 in diameter
Image: http://www.mbike.com/bmw/r850gs/1997/photos/photo-17283