Technical specifications
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| Model: |
R 80ST |
| Years: |
1982 |
|
Engine:
|
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
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Capacity:
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797.5 cc / 48.7 cu in.
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Bore x Stroke:
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84.8 x 70.6 mm
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Cooling System:
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Air cooled
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Compression Ratio:
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9.2:1
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Induction:
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2 x Bing constant depression carburetors
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Ignition:
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Battery ignition
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Alternator:
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Bosch 12 V/280 W
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Spark Plug:
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Bosch W 7 D / Beru14-7DU / Champion N9YC
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Starting:
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Electric
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Max Power:
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36.4 kW / 50 hp @ 6500 rpm
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Max Torque:
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58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm
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Clutch:
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Dry single plate, with diaphragm spring
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Transmission:
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5 Speed
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Final Drive:
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Shaft
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Gear Ratio:
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1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
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Rear Wheel Ratio:
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1:3.20 or 1:3.36
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Frame:
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Double loop tubular frame with bolt on rear section
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Front Suspension:
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Telescopic hydraulic fork
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Front Wheel Travel:
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175 mm / 6.8 in
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Rear Suspension:
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BMW Monolever swinging arm
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Rear Wheel Travel:
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153 mm / 6.0 in
|
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Front Brakes:
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Single ∅285mm disc, 1 piston caliper
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Rear Brakes:
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∅200mm Drum
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Front Wheel:
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1.85 - B19
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Rear Wheel:
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2.50 - B18
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Front Tyre:
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100/90-H19
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Rear Tyre:
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120/90-H18
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Dimensions:
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Length 2180 mm / 85.8 in Width 790 mm / 31.1 in Height 1150 mm / 45.2 in
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Wheelbase:
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1447 mm / 56.9 in
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Ground Clearance:
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170 mm / 6.69 in
|
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Seat Height:
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845 mm / 33.3 in
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Wet Weight:
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198 Kg / 436 lbs
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Fuel Capacity:
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19 Litres / 5.0 US gal
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Consumption Average:
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4.9 L/100 km / 20.4 km/l / 48 mpg
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|
Standing ¼ Mile:
|
14.1 sec / 148.5 km/h / 92.3 mph
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Top Speed:
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171 km/h / 106 mph
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|
Road Test:
|
Cycle 1983 Cycle World 1983
|