Matchless G11 (1955)

The Matchless G11 is a vintage motorcycle from 1955 featuring a parallel twin-cylinder engine with a capacity of 593cc, air-cooled with a 7.5:1 compression ratio and dry sump lubrication. The bike has a 4-speed transmission with a chain final drive and a single top and down pipe double cradle frame. The wheels are steel with wire spokes and the front and rear brakes are drum brakes. The front suspension is teledraulic while the rear suspension is swingarm with twin shocks and coil springs, oil damped. The fuel system is an Amal 376/78 and ignition is provided by a Magneto, Lucas K2F. Starting is done via kickstart and the battery is a 6V 12 Ah Lucas. The oil capacity is 2.5 L and the fuel capacity is 17 L. The bike weighs 400 lbs and is available in black or red. Maximum power of the bike is 24.3 kW / 33 hp at 6800 rpm. Overall, it is a well-crafted motorcycle built in the 1950s, with engineering prowess that can provide great ridership experiences.

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Technical specifications:

Make Model: Matchless G11

Year: 1955

Engine: Parallel twin cylinder

Capacity: 593 cc / 36.2 cub in.

Bore x Stroke: 72 x 72.8 mm

Cooling System: Air cooled

Compression Ratio: 7.5:1

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 376/78

Ignition: Magneto, Lucas K2F

Starting: Kick

Battery: Lucas, 6V 12 Ah

Spark Plug: KLG FE80, 14mm thread

Maximum Power: 24.3 kW / 33 hp @ 6800 rpm

Transmission: 4-Speed

Final Drive: Chain

Gear Ratios: 1st 2.67 / 2nd 1.77 / 3rd 1.35 / 4th 1.0:1

Frame: Single top and down pipe, double cradle

Wheelbase: 1403 mm / 55.25 in.

Front Suspension: Teledraulic

Rear Suspension: Swingarm, twin shocks and coil springs, oil damped

Front Brakes: Drum

Rear Brakes: Drum

Wheels: Steel, wire spokes

Front Tyre: 3.25 x 19 in.

Rear Tyre: 3.50 x 19 in.

Dry Weight: 181 kg / 400 lbs

Fuel Capacity: 17 L / 4.5 US gal

Colours: Black, Red

Source: Real Classic.co.uk