Harley-Davidson Sport Twin: history, specs, pictures

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Harley-Davidson Sport Twin
Production 1919 - 1923
twin, four-stroke
Bore / Stroke 69.9mm x 76.2mm
Fuel System carburetor
Ignition magneto
Transmission Final Drive: chain
Clutch: three speed
Suspension Front: trailing link with single downtube
Rear: rigid
Front Tire 3-26
Rear Tire 3-26
Wheelbase 57.01 inches (1448 mm)
Weight 264.55 pounds (120.0 Kg) (dry),
Oil Capacity 0.5 Gallon (1.90 Liters)
Fuel Capacity 2.64 Gallon (10.00 Liters)
Manuals Service Manual

The Harley-Davidson Sport Twin was a twin, four-stroke standard produced by Harley-Davidson between 1919 and 1923.

Engine[edit | edit source]

The engine was a air cooled twin, four-stroke. A 69.9mm bore x 76.2mm stroke result in a displacement of just 590.0 cubic centimeters. Fuel was supplied via a sidevalves.

Drive[edit | edit source]

Power was moderated via the three speed.

Chassis[edit | edit source]

It came with a 3-26 front tire and a 3-26 rear tire. The front suspension was a trailing link with single downtube while the rear was equipped with a rigid. The Sport Twin was fitted with a 2.64 Gallon (10.00 Liters) fuel tank. The bike weighed just 264.55 pounds (120.0 Kg). The wheelbase was 57.01 inches (1448 mm) long.