Triumph Motorcycles

Today in Motorcycle History

Triumph Terrier T15 & T20 1955

Triumph Terrier

The "Terrier" is a fine quality lightweight motorcycle offered at a moderate price. It combines economy of operation with a most satisfying performance and its specification includes all the accepted best features of a big motorcycle.

T.15 and T.20 General

ENGINES. T.15 150 c.c. : T.20 200 c.c. : Advanced O.H.V, design with die-cast alloy cylinder head, inclined large diameter valves and totally enclosed and lubricated valve gear. "H" section connecting rod with heavy duty plain big end. Dry sump lubrication with double plunger type oil pump. Highly polished timing cover. Chromium plated exhaust pipe with efficient barrel type silencer. Air cleaner.

FOUR-SPEED GEARBOX. Robust design built in unit with the engine in a polished streamlined casing. Positive foot-operated gear-change. Multi- plate clutch with rubber pad type shock absorber. Polished aluminium case for primary chain.

FUEL TANKS. All steel welded tanks, large capacity. Quick release caps and accessible filters.

FRAME. Loop type tubular main frame of unique design, exceptionally strong but light in weight. Double plunger type rear suspension with enclosed spring units.

FORKS. Triumph telescopic type with Jong soft springs giving a comfortable ride and accurate steering.