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Sport · 1979

XLH 1000 Sportster

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MotoLibrary Score
52 /100 Balanced
Power/Weight
0.25 hp/kg
Top Speed
180 km/h
Engine
997 ccm

1979 Harley-Davidson XLH 1000 Sportster Technical Analysis & Specification Breakdown

Positioned in Harley-Davidson's sport motorcycle lineup, the 1979 Harley-Davidson XLH 1000 Sportster relies on a 997 cc (60.8 cu in) air-cooled v2, four-stroke powerplant. In factory specification, peak output is rated at 57 HP (41.6 kW) at 6,000 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 57.2 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the XLH 1000 Sportster measures 240 kg (529 lbs) wet (curb), translating to a power-to-weight ratio of 0.24 HP/kg (4.21 kg per horsepower). The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 180 km/h (112 mph).

Within MotoLibrary's Harley-Davidson archive, this model family spans 14 indexed model years from 1972 to 1985, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
57.2 HP/L
Power-to-Weight
0.24 HP/kg (4.21 kg/HP)
Engine
Displacement 997.0 ccm (60.84 cubic inches)
Engine Type V2, four-stroke
Engine Details V2, four-stroke
Power 57.0 HP (41.6 kW)) @ 6000 RPM
Compression 9.0:1
Bore x Stroke 81.0 x 96.8 mm (3.2 x 3.8 inches)
Valves/Cylinder 2
Fuel System Carburettor. Keihin 34mm
Fuel Control Overhead Valves (OHV)
Ignition Electronic
Cooling Air
Transmission
Gearbox 4-speed
Final Drive Chain (final drive)
Performance
Top Speed 180.0 km/h (111.8 mph)
Chassis
Frame Type Double cradle, steel
Front Suspension Telehydraulic forks
Rear Suspension Dual shocks swinging arm
Wheels & Brakes
Front Tyre 100/90-H19
Rear Tyre 130/90-16
Front Brakes Single disc
Front Brake Ø 285 mm (11.2 inches)
Rear Brakes Single disc
Dimensions & Weight
Dry Weight 231.0 kg (509.3 pounds)
Weight incl. 240.0 kg (529.1 pounds)
Power/Weight 0.2468 HP/kg
Fuel Capacity 9.00 litres (2.38 US gallons)
Oil Capacity 2.80 litres (2.96 US quarts)
Other
Starter Electric
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Transmission
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