Harley-Davidson Sport Twin Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson Sport Twin motorcycle specifications include a 590 cc (36.00 cu in) engine and a listed weight of 120 kg (264.6 lb).

Key specifications

1919-1923Model years
590 ccDisplacement
120 kgDry weight
10 LFuel tank
1,448 mmWheelbase
Model years covered
19191920192119221923

Year-specific specification changes

No material specification changes from the 1919 baseline were found in the available data.

How the Harley-Davidson Sport Twin compares

This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.

Displacement590 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

About 54% lower than the Harley-Davidson database average. Around the 6th percentile across Harley-Davidson models.

Fuel capacity10 L
Low 7.9 LAverage 17 LHigh 22.7 L

About 41% smaller than the Harley-Davidson database average. Around the 10th percentile across Harley-Davidson models.

This model Harley-Davidson database average

Harley-Davidson database percentile rankings

Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.

Displacement6th

590 cc — larger displacement than about 6% of Harley-Davidson models.

Fuel capacity10th

10 L — larger than about 10% of Harley-Davidson fuel tanks in this database.

Mechanical overview

Engine layout snapshot

Twin, four-stroke • 590 cc • Air cooled
Chassis snapshot

Wheelbase 1,448 mm
Chain (final drive) • 3-26 front / 3-26 rear

Additional useful specifications

Front tire size 3-26
Rear tire size 3-26
Engine oil capacity 1.90 L (2.01 US qt)
Bore/stroke ratio 0.92:1 (Undersquare)

Model information

Category Sport

Engine specifications

Engine type Twin, four-stroke
Displacement 590 cc (36.00 cu in)
Bore × stroke 69.9 x 76.2 mm (2.8 x 3.0 inches)
Compression ratio 3.8:1
Cooling system Air
Fuel system Carburettor
Fuel control Sidevalves
Ignition Magneto
Oil capacity 1.90 L (2.01 US qt)

Transmission and drivetrain

Final drive Chain (final drive)
Clutch Three speed

Chassis and suspension

Frame Tubular steel
Front suspension Trailing link with single downtube
Rear suspension Rigid

Brakes, wheels and tires

Front tire 3-26
Rear tire 3-26

Dimensions and weight

Dry weight 120 kg (264.6 lb)
Wheelbase 1,448 mm (57.0 inches)

Fuel and emissions

Fuel capacity 10.00 L (2.64 US gal)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.