Technical specifications
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| Model: |
G9 |
| Years: |
1948-58 |
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Engine:
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Parallel twin cylinder
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Capacity:
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498 cc / 30.4 cub in.
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|
Bore x Stroke:
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66 x 72.8 mm
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Cooling System:
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Air cooled
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Compression Ratio:
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7.7:1
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Lubrication:
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Dry sump
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Engine Oil:
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Hot: SAE 50 Cold: SAE 30 Extremely Cold: SAE 20
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Oil Capacity:
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2.5 L / 5.3 US pints
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Exhaust:
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Twin, chrome, megaphone silencers
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Fuel System:
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Amal 376/6
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Ignition:
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Magneto, Lucas K2F
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Starting:
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Kick
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Battery:
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Lucas, 6V 12 Ah
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Spark Plug:
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KLG FE80, 14mm thread
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Maximum Power:
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24.3 kW / 33 hp @ 6800 rpm
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Transmission:
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4-Speed
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Final Drive:
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Chain
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Gear Ratios:
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1st 2.67 / 2nd 1.77 / 3rd 1.35 / 4th 1.0:1
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Frame:
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Single top and down pipe, double cradle
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Wheelbase:
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1403 mm / 55.25 in.
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Front Suspension:
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Teledraulic
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Rear Suspension:
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Swingarm, twin shocks and coil springs, oil dampers
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Front Brakes:
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Drum
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Rear Brakes:
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Drum
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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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3.50 x 19 in.
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Dry Weight:
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181 kg / 400 lbs
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Fuel Capacity:
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17 L / 4.5 US gal
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Top Speed:
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137 km/h / 85 mph
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