BMW R80 ST (1983-84)

Make Model: BMW R 80ST


Year: 1983 – 84
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity: 797.5 cc / 48.7 cu in.
Bore x Stroke: 84.8 x 70.6 mm
Cooling System: Air cooled
Compression Ratio: 9.2:1
Induction: 2 x Bing constant depression carburetors
Ignition: Battery ignition
Alternator: Bosch 12 V/280 W
Spark Plug: Bosch W 7 D / Beru14-7DU / Champion N9YC
Starting: Electric
Max Power: 36.4 kW / 50 hp @ 6500 rpm
Max Torque: 58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm
Clutch: Dry single plate, with diaphragm spring
Transmission: 5 Speed
Final Drive: Shaft
Gear Ratio: 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Rear Wheel Ratio: 1:3.20 or 1:3.36
Frame: Double loop tubular frame with bolt on rear section
Front Suspension: Telescopic hydraulic fork
Front Wheel Travel: 175 mm / 6.8 in

Rear Suspension: BMW Monolever swinging arm
Rear Wheel Travel: 153 mm / 6.0 in
Front Brakes: Single 285mm disc, 1 piston caliper
Rear Brakes: 200mm Drum
Front Wheel: 1.85 – B19
Rear Wheel: 2.50 – B18
Front Tyre: 100/90-H19
Rear Tyre: 120/90-H18
Dimensions: Length 2180 mm / 85.8 in Width 790 mm / 31.1 in Height 1150 mm / 45.2 in
Wheelbase: 1447 mm / 56.9 in
Ground Clearance: 170 mm / 6.69 in
Seat Height: 845 mm / 33.3 in
Wet Weight: 198 Kg / 436 lbs
Fuel Capacity: 19 Litres / 5.0 US gal
Consumption Average: 4.9 L/100 km / 20.4 km/l / 48 mpg
Standing 1/4 Mile: 14.1 sec / 148.5 km/h / 92.3 mph
Top Speed: 171 km/h / 106 mph
Manual: 5united.net


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