Technical specifications
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| Model: |
Silver Hawk |
| Years: |
1931-35 |
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Engine:
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V-four cylinder, OHC
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Capacity:
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592 cc / 38.1 cub in.
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Bore x Stroke:
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50.8 x 73 mm
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Cooling System:
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Air cooled
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Compression Ratio:
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6.1:1
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Lubrication:
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Dry sump with fabric oil filter
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Oil Capacity:
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2.3 L / 4.9 US pints
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Exhaust:
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Two-into-one, chrome
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Fuel System:
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Amal
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Ignition:
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Lucas dynamo coil
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Starting:
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Kick
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Transmission:
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4-Speed, Sturmey Archer gearbox
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Final Drive:
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Chain
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Maximum Power:
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19 kW / 26 hp
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Frame:
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Brazed lug tubular construction incorporating cantilever rear suspension
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Front Suspension:
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Matchless centre spring girders, finger adjustment
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Rear Suspension:
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Cantilever
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Front Brakes:
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203 mm / 8 in. drum, interconnected
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Rear Brakes:
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203 mm / 8 in. drum, interconnected
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Wheels:
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Steel, wire spokes
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Front Tyre:
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3.25 x 19 in.
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Rear Tyre:
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1958: 3.25 x 19 in. (4.00 x 19 available as an option)
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Wheelbase:
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1422 mm / 56 in.
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Wet Weight:
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172 kg / 380 lbs
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Fuel Capacity:
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11.4 L / 3.0 US gal
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Average Consumption:
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3.6 L/100 km / 28 km/l / 65 US mpg
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Top Speed:
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137 km/h / 85 mph
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