Technical specifications
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| Model: |
R 71 |
| Years: |
1938-41 |
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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:
|
746 cc / 45.5 cu in.
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Bore x Stroke:
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78 x 78 mm
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Compression Ratio:
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5.5:1
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Cooling System:
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Air cooled
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Induction:
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2 x Graetzin G 24 carburetors
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Ignition:
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Battery ignition
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Starting:
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Kick
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Clutch:
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Single plate, dry
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Max Power:
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16.4 kW / 22 hp @ 4600 rpm
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Transmission:
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4 Speed
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Final Drive:
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Shaft
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Gear Ratio:
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1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30
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Frame:
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Twin loop steel tubular frame
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Front Suspension:
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Telescopic front fork,
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Rear Suspension:
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Telescopic suspension, plunger type
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Front Brakes:
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∅200mm Drum duplex full hub
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Rear Brakes:
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∅200mm Drum simplex full hub
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Front Tyre:
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3.50 -19"
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Rear Tyre:
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3.50 -19"
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Wet-Weight:
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187 kg / 412 lbs
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Fuel Capacity:
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14 liters / 3.6 US gal
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