Triumph Terrier: history, specs, pictures

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1953 Triumph Terrier

The Triumph Terrier was styled to appeal to the young enthusiast. The choices available in the smaller capacity machines were mainly utilitarian two-stroke motorcycles that were dull in performance and looks. The Terrier was a miniature version of Triumph's Speed twin, and it was powered by a four stroke motor, like a proper bike. The following year a larger capacity sports model, the Triumph Tiger Cub, was introduced. This motor design was the basis for the BSA single cylinder models, from 250 to 500cc.


Triumph Terrier
Manufacturer Triumph
Also called Terrier 150
Production 1953 - 1956
Engine single cylinder, four-stroke
Bore / Stroke 57.0mm x 58.5mm
Top speed 50 mph (80 km/h)
Horse Power 8.18 HP (6.1 KW) @ 6500RPM
Fuel system carburettor
Battery 7.1:1
Transmission Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3-16
Rear Tire 3-16
Wheelbase 49.02 inches (1245 mm)
Fuel capacity 3.0 Gallon (11.36 Liters)
Manuals Service Manual
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The Triumph Terrier 150 was a single cylinder, four-stroke standard produced by Triumph between 1953 and 1956. It could reach a top speed of 50 mph (80 km/h). Claimed horsepower was 8.18 HP (6.1 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled single cylinder, four-stroke. A 57.0mm bore x 58.5mm stroke result in a displacement of just 150.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Chassis[edit]

It came with a 3-16 front tire and a 3-16 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The Terrier 150 was fitted with a 3.0 Gallon (11.36 Liters) fuel tank. The wheelbase was 49.02 inches (1245 mm) long.