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Matchless G45 (1951-58)

Entry updated

Matchless G45 (1951-58)

At a glance

Capacity
498 cc / 30.4 cub in.
Power
136.7 kW / 50 hp @ 7000 rpm

The full picture.

The Matchless G45 was a motorcycle produced from 1951 to 1958, with less than 100 units made. It had a single cylinder, four-stroke, air-cooled engine with a capacity of 498cc and a maximum power of 50 hp at 7000 rpm. The bike had a dry sump lubrication system and twin chrome silencer exhaust. It used Amal 930 concentric carburetors and a Lucas competition magneto for ignition, with a 6V battery and kick starting. The G45 had a 4-speed, close ratio transmission with a primary belt drive and chain final drive. It had a tubular cradle frame, AMC teledraulic front suspension, Dowty Oleomatic rear suspension, and drum brakes on both the front and rear wheels. The wheels were made of steel with laced wire spokes and the tires were 19 inches. The bike had a dry weight of 145 kg (320 lbs) and a top speed of 210 km/h (130 mph). The color option was black.


Technical specifications:

Make Model: Matchless G45

Motorcycle technical specifications
Year1951 – 58
ProductionLess than 100
EngineSingle cylinder, four stroke, OHV
Capacity498 cc / 30.4 cub in.
Bore x Stroke66 x 72.8 mm
Cooling SystemAir cooled
LubricationDry sump
Oil Capacity4.0 L / 8.5 US pints
ExhaustTwin, chrome silencer
Fuel SystemAmal 930 concentric carburetors
IgnitionLucas competition magneto
Battery6V
StartingKick
ClutchDry, with primary belt drive
Transmission4-Speed, close ratio
Final DriveChain
Maximum Power136.7 kW / 50 hp @ 7000 rpm
FrameTubular cradle, tubular
Front SuspensionAMC teledraulic, with stabilizer
Rear SuspensionDowty Oleomatic
Front BrakesDrum
Rear BrakesDrum
WheelsSteel, laced wire spokes
Front Tyre19 in.
Rear Tyre19 in.
Dry Weight145 kg / 320 lbs
Top Speed210 km/h / 130 mph
ColoursBlack
SourceShannons