Technical specifications
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| Model: |
G2 / G2S / G2CS |
| Years: |
1958-62 |
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Engine:
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Single cylinder, 4 stroke
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Capacity:
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248.5 cc / 15.2 cub in.
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Bore x Stroke:
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69.85 x 64.84 mm
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Cooling System:
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Air cooled
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Compression Ratio:
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G2 / G2S: 7.8:1 G2CS: 10.5:1
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Fuel System:
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G2 / G2S: Amal monobloc 376/5 carburetor G2CS: Amal monobloc 376/276 carburetor
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Lubrication:
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Dry sump, external tank
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Engine Oil:
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Hot: SAE 50 Cold: SAE 30 Extreme cold: SAE 20
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Oil Capacity:
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1.4 L / 3 US pints
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Exhaust:
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Single
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Starting:
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Kick
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Clutch:
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Wet, multi-plate
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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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Chain Links:
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G2 / G2S: 123 links G2CS: 131 links
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Internal Gear Ratios:
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1st 2.42 / 2nd 1.85 / 3rd 1.30 / 4th 1.0:1
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Frame:
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Open, tubular steel frame, closed at the bottom by a pressed-steel channel
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Front Suspension:
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Telescopic fork
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Rear Suspension:
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Swinging-arm, with shocks and coil springs
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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 17 in.
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Rear Tyre:
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3.25 x 17 in.
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Wheelbase:
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1345 mm / 53 in.
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Ground Clearance:
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140 mm / 5.5 in.
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Seat Height:
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760 mm / 30 in.
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Dry Weight:
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148 kg / 325 lbs
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Fuel Capacity:
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12.5 L / 3.3 US gal
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