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Matchless G3 (1962)

Entry updated

Matchless G3 (1962)

At a glance

Capacity
348 cc / 21.2 cub in.
Power
16.9 kW / 23 hp @ 6200 rpm
Seat height
775 mm / 30.5 in.

The full picture.

The Matchless G3 is a British motorcycle that was manufactured in 1962. It has a single cylinder, four-stroke engine with a capacity of 348 cc and a bore x stroke of 74 x 81 mm. The bike is air-cooled and has a compression ratio of 8.5:1. The lubrication system is dry sump, with an oil capacity of 2.8 L. The carburetor is an Amal Monobloc with a diameter of 1-1/8 in. The ignition is coil with a Lucas alternator and the bike starts by kick. The clutch is wet, multi-plate and the transmission is four-speed. The bike has a tubular cradle frame with twin downtubes and telescopic fork front suspension with hydraulic damping. The rear suspension is pivoted and controlled by Girling 3-position spring-and-hydraulic units. The front and rear brakes are both 178 mm / 7 in. drum with finger adjustment. The wheels are made of steel with laced wire spokes. The front and rear tires are sized 3.25 x 19 in. and 3.50 x 19 in., respectively. The bike has a wheelbase of 1436 mm and a ground clearance of 165 mm. The seat height is 775 mm and the wet weight is 179 kg. The bike has a fuel capacity of 19.3 L and an average consumption of 3.3 L per 100 km. The top speed is 129 km/h, and it comes in black or red. A review of the bike was featured in Classic Bike magazine in May 1991.


Technical specifications:

Make Model: Matchless G3

Motorcycle technical specifications
Year1962
EngineSingle cylinder, four stroke, OHV
Capacity348 cc / 21.2 cub in.
Bore x Stroke74 x 81 mm
Cooling SystemAir cooled
Compression Ratio8.5:1
LubricationDry sump
Oil Capacity2.8 L / 5.9 US pints
ExhaustSingle, chrome silencer
Fuel SystemAmal Monobloc carburetor, 1-1/8 in
IgnitionCoil, Lucas alternator
Battery6V
StartingKick
ClutchWet, multi-plate
Transmission4-Speed
Final DriveChain
Maximum Power16.9 kW / 23 hp @ 6200 rpm
FrameTubular cradle, twin downtubes
Front SuspensionTelescopic fork with hydraulic damping
Rear SuspensionPivoted rear fork controlled by Girling 3-position spring-and-hydraulic units
Front Brakes178 mm / 7 in. drum, finger adjustment
Rear Brakes178 mm / 7 in. drum, finger adjustment
WheelsSteel, laced wire spokes
Front Tyre3.25 x 19 in.
Rear Tyre3.50 x 19 in.
Wheelbase1436 mm / 56.5 in.
Ground Clearance165 mm / 6.5 in.
Seat Height775 mm / 30.5 in.
Wet Weight179 kg / 395 lbs
Fuel Capacity19.3 L / 5.1 US gal
Average Consumption3.3 L/100 km / 30 km/l / 71 US mpg
Top Speed129 km/h / 80 mph
ColoursBlack, Red
ReviewClassic Bike, May 1991