Matchless G12 (1958-66)

Make Model: Matchless G12 (all models)


Year: 1958 – 66
Engine: Twin cylinder
Capacity: 646 cc / 39.4 cub in.
Bore x Stroke: 72 x 79.3 mm
Cooling System: Air cooled
Compression Ratio: G12/de Luxe: 7.5:1 CS/CSR: 8.5:1
Lubrication: Dry sump
Engine Oil: Hot: SAE 50 Cold: SAE 30 Extremely cold: SAE 20
Oil Capacity: 2.5 L / 5.3 US pints
Exhaust: Twin, chrome
Fuel System: Amal 389, 1-1/8
Ignition: Lucas K2F
Starting: Kick
Battery: Lucas 6V, 12Ah
Spark Plug: G12/de Luxe/CS: KLG FE80, 14 mm thread, 3/4 in. reach CSR: KLG FE220, 14 mm thread, 3/4 in. reach
Transmission: 4-Speed
Final Drive: Chain, 97 links
Internal Gear Ratios: 1st 2.56 / 2nd 1.70 / 3rd 1.22 / 4th 1.00:1
Maximum Power: 26 kW / 35 hp @ 6500 rpm
Frame: Double cradle
Front Suspension: AMC teledraulic fork

Rear Suspension: Swingarm with twin shocks, Girling
Front Brakes: Drum, 7in. sls
Rear Brakes: Drum, 7in. sls
Wheels: Steel, wire spokes
Front Tyre: 3.25 x 19 in.
Rear Tyre: 3.50 x 19 in.
Dry Weight: 180 kg / 396 lbs
Fuel Capacity: 17 L / 4.5 US gal
Average Consumption: 4.3 L/100 km / 23.4 km/l / 55 US mpg
Top Speed: 153 km/h / 95 mph
Colours: Black with chrome tank panels
Source: Wikipedia


You May Like