Technical specifications
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| Model: |
R 80/7 |
| Years: |
1977-79 |
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Engine:
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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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8.2:1
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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 175 T 30
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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 / 43 lb-ft @ 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 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50
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Rear Wheel Ratio:
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1:3.20 or 1:3.36
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Front Suspension:
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Telescopic hydraulic forks
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Front Wheel Travel:
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200 mm / 7.3 in
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Rear Suspension:
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Long swinging arm with adjustable strut.
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Rear Wheel Travel:
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125 / 4.9 in
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Front Brakes:
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2 x ∅260mm Discs, 1 piston caliper
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Rear Brakes:
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Single ∅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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3.25 - H19
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Rear Tyre:
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4.00 - H18
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Dimensions:
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Length 2210 mm / 87.0 in Width 746 mm / 29.3 in Height 1080 mm / 42.5 in
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Wheelbase:
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1465 mm / 57.67 in
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Seat Height:
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810 mm / 31.9 in
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Ground Clearance:
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165 mm / 6.49 in
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Wet Weight:
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215 kg / 473 lbs
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Fuel Capacity:
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24 Litres / 6.3 US gal
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