Ariel Fieldmaster

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Ariel-fieldmaster-1948-1957-4.jpg
Ariel Fieldmaster
Manufacturer
Also called KH500 Fieldmaster, KH 500 Fieldmaster
Production 1948 - 1957
Class Classic
Engine
twin, four-stroke
Bore / Stroke 56.0mm x 86.0mm
Compression ratio 7.5:1
Top Speed 90 mph (145 km/h)
Horsepower 27.49 HP (20.5 KW) @ 6500RPM
Ignition lucas
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: dry plate
Suspension Front: telescopic forks
Rear: rigid
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.00-20
Rear Tire 3.50-19
Wheelbase 55.98 inches (1422 mm)
Length 85.98 inches (2184 mm)
Width 27.01 inches (686 mm)
Seat Height 30.98 inches (787 mm)
Weight 390.22 pounds (177.0 Kg) (dry), 177.0 kg (wet)
Oil Capacity 1.0 Gallon (3.80 Liters)
Fuel Capacity 4.49 Gallon (17.00 Liters)
Fuel Consumption 3.04 liters/100 km (32.9 km/l or 77.38 mpg)
Manuals Service Manual


The Ariel KH500 Fieldmaster was a twin, four-stroke Classic motorcycle produced by Ariel between 1948 and 1957. It could reach a top speed of 90 mph (145 km/h). Claimed horsepower was 27.49 HP (20.5 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled twin, four-stroke. A 56.0mm bore x 86.0mm stroke result in a displacement of just 498.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 4-speed transmission. Power was moderated via the dry plate.

Chassis[edit]

It came with a 3.00-20 front tire and a 3.50-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic forks while the rear was equipped with a rigid. The KH500 Fieldmaster was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The bike weighed just 390.22 pounds (177.0 Kg). The wheelbase was 55.98 inches (1422 mm) long.

1948 - 1957 Ariel KH 500 Fieldmaster[edit]

1948 - 1957 Ariel KH 500 Fieldmaster 1948 - 1957 Ariel KH 500 Fieldmaster 1948 - 1957 Ariel KH 500 Fieldmaster 1948 - 1957 Ariel KH 500 Fieldmaster 1948 - 1957 Ariel KH 500 Fieldmaster

The 1948 Ariel KH 500 Fieldmaster has, at its heart, an air-cooled, four-stroke, 498cc, twin cylinder engine mated to a four-speed manual transmission, and can produce a claimed 28 horsepower at 6500 rpm. The key features for this machine would be the laced wheels, a hard-tail rear suspension with a sprung seat, a dual exhaust system, mid-mounted foot pegs, a telescopic front fork, a large headlight and wide handlebars.