Ariel NH350: history, specs, pictures

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Ariel NH350
Also called NH 350
Production 1945
single cylinder, four-stroke
Bore / Stroke 72.0mm x 85.0mm
Top Speed 73 mph (117 km/h)
Horsepower 19.04 HP (14.2 KW) @ 5800RPM
Fuel System carburetor. monoblack
Ignition flywheel
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: dry, multiplate
Suspension Front: telescopic fork
Rear: plungers
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.00-20
Rear Tire 3.25-19
Length 85.83 inches (2180 mm)
Weight 350.53 pounds (159.0 Kg) (dry),
Fuel Capacity 2.91 Gallon (11.00 Liters)
Manuals Service Manual

The Ariel NH350 was a single cylinder, four-stroke standard produced by Ariel in 1945. It could reach a top speed of 73 mph (117 km/h). Claimed horsepower was 19.04 HP (14.2 KW) @ 5800 RPM.


The engine was a air cooled single cylinder, four-stroke. A 72.0mm bore x 85.0mm stroke result in a displacement of just 346.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).


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


It came with a 3.00-20 front tire and a 3.25-19 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 fork while the rear was equipped with a plungers. The NH350 was fitted with a 2.91 Gallon (11.00 Liters) fuel tank. The bike weighed just 350.53 pounds (159.0 Kg).