Sport · 1922
Sport Twin
Technical Overview
1922 Harley-Davidson Sport Twin Technical Analysis & Specification Breakdown
Positioned in Harley-Davidson's sport motorcycle lineup, the 1922 Harley-Davidson Sport Twin utilizes a 590 cc (36 cu in) air-cooled twin, four-stroke layout. Internal engine geometry specifies a bore and stroke of 69.9 x 76.2 mm (2.8 x 3.0 inches) with a 3.8:1 compression ratio.
On the scales, the Sport Twin measures 120 kg (265 lbs) dry.
Within MotoLibrary's Harley-Davidson archive, this model family spans 5 indexed model years from 1919 to 1923, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 590.0 ccm (36.00 cubic inches)
Engine Type Twin, four-stroke
Engine Details Twin, four-stroke
Compression 3.8:1
Bore x Stroke 69.9 x 76.2 mm (2.8 x 3.0 inches)
Fuel System Carburettor
Fuel Control Sidevalves
Ignition Magneto
Cooling Air
Transmission
Final Drive Chain (final drive)
Clutch Three speed
Chassis
Frame Type Tubular steel
Front Suspension Trailing link with single downtube
Rear Suspension Rigid
Wheels & Brakes
Front Tyre 3-26
Rear Tyre 3-26
Dimensions & Weight
Dry Weight 120.0 kg (264.6 pounds)
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