Dimensions
Overall length 2220 mm / 87,4 in
Overall width 930 mm / 36,6 in
Overall height 1155 mm / 45,5 in
Seat height 810 mm / 31,9 in
Wheelbase 516 mm / 59,7 in
Ground clearance 175 mm / 6,9 in
Dry weight
Curb (wet) weight 239 kg / 527 lbs
Frame
Frame (type) Tubular space frame, engine serving as load bearing component
Front suspension, travel Telescopic fork 41 mm, 185 mm / 7,3 in
Rear suspension, travel BMW Monolever (adjustable), 110 mm / 4,3 in
Front tire size 100/90 V18
Rear tire size 130/90 V17
Front brake Double disc, 285 mm, 2-piston calipers
Rear brake Single disc, 285 mm, 2-piston caliper
Fuel capacity 22,0 l / 5,81 US gal (reserve – 5,0 l) – K100 (to 1987)
21,0 l / 5,54 US gal (reserve – 5,0 l) – K100 (from 1987)
Fuel economy / consumption 5,0 l / 100 km (47 US mpg)1
Engine
Engine (type) Liquid-cooled 4-stroke
Cylinder arrangement 4-cylinders in-line, longitudinally installed
Bore & Stroke 67,0 x 70,0 mm
Displacement 987 cm³ (60,2 cu in)
Compression ratio 10.2:1
Valve train Chain driven DOHC, 2 valves per cylinder
Max. power 90,0 hp (66,0 kW) / 8000 rpm
Max. torque 86,0 Nm (8,7 kg-m) / 6000 rpm
Acceleration 0 to 100 km/h (0-60 mph) 4,3 sec.2
Top speed 215 km/h (133 mph)3
Fuel system (type) Fuel Injection, Bosch LE-Jetronic
Drive train
Clutch Single dry plate, cable operated
Transmission 5-speed
Final drive Shaft
Gear ratio
I 4.500
II 2.960
III 2.300
IV 1.880
V 1.670
Electrical
Ignition system AII-electronic, breakerless microprocessor controlled digital system
Alternator Three-phase generator, 14V / 460W
Battery capacity 12V-20Ah