BMW R100GS (1987)

Make Model: BMW R 100GS


Year: 1987
Engine: Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Capacity: 980 cc / 59.8 cu in.
Bore x Stroke: 94 x 70.6 mm
Cooling System: Air cooled
Compression Ratio: 8.5:1
Induction: 2 x Bing carburetors
Ignition: Electronic ignition, Bosch
Alternator: Bosch 12V/280 W
Starting: Electric
Max Power: 44 kW / 60 hp @ 6500 rpm
Max Power Rear Tyre: 41.7 kW / 56 hp @ 6500 rpm
Max Torque: 76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm
Clutch: Dry single plate, with diaphragm spring
Transmission: 5 Speed
Gear Ratio: 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Rear Wheel Ratio: 1:3.09
Bevel / Crown wheel: 11/34 teeth
Final Drive: Shaft
Frame: Double loop tubular frame with bolt on rear section
Front Suspension: Telescopic fork with hydraulic shock absorber.

Front Wheel Travel: 225 mm / 8.8 in
Rear Suspension: Paralever adjustable preload, rebound damping compression
Rear Wheel Travel: 180 mm / 7.0 in
Front Brakes: Single 285mm disc, 2 piston caliper
Rear Brakes: 200 Drum
Front Wheel: 1.85 – 21 MTH 2
Rear Wheel: 2.50 – 17 MTH 2
Front Tyre: 90/90-21
Rear Tyre: 130/80-17
Dimensions: Length 2290 mm / 90.1 in Width 1000 mm / 39.3 in Height 1165 mm / 45.8 in
Wheelbase: 1514 mm / 59.6 in
Seat Height: 850 mm / 33.5 in
Ground Clearance: 200 mm / 7.9 in
Wet Weight: 210 kg / 462 lbs
Fuel Capacity: 24 L / 6.3 US gal
Top Speed: 181 km/h / 112 mph
Road Test: Adventure Group test Motosprint 1988


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