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Matchless Specifications

Matchless G11 (1955)

Entry updated

Matchless G11 (1955)

At a glance

Capacity
593 cc / 36.2 cub in.
Power
24.3 kW / 33 hp @ 6800 rpm

The full picture.

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.


Technical specifications:

Make Model: Matchless G11

Motorcycle technical specifications
Year1955
EngineParallel twin cylinder
Capacity593 cc / 36.2 cub in.
Bore x Stroke72 x 72.8 mm
Cooling SystemAir cooled
Compression Ratio7.5:1
LubricationDry sump
Engine OilHot: SAE 50 Cold: SAE 30 Extremely Cold: SAE 20
Oil Capacity2.5 L / 5.3 US pints
ExhaustTwin, chrome
Fuel SystemAmal 376/78
IgnitionMagneto, Lucas K2F
StartingKick
BatteryLucas, 6V 12 Ah
Spark PlugKLG FE80, 14mm thread
Maximum Power24.3 kW / 33 hp @ 6800 rpm
Transmission4-Speed
Final DriveChain
Gear Ratios1st 2.67 / 2nd 1.77 / 3rd 1.35 / 4th 1.0:1
FrameSingle top and down pipe, double cradle
Wheelbase1403 mm / 55.25 in.
Front SuspensionTeledraulic
Rear SuspensionSwingarm, twin shocks and coil springs, oil damped
Front BrakesDrum
Rear BrakesDrum
WheelsSteel, wire spokes
Front Tyre3.25 x 19 in.
Rear Tyre3.50 x 19 in.
Dry Weight181 kg / 400 lbs
Fuel Capacity17 L / 4.5 US gal
ColoursBlack, Red
SourceReal Classic.co.uk