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Sport touring · 1978

XLCH 1000 Sportster

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

1978 Harley-Davidson XLCH 1000 Sportster Technical Analysis & Specification Breakdown

Engineered by Harley-Davidson for the sport touring motorcycle segment, the 1978 Harley-Davidson XLCH 1000 Sportster utilizes a 997 cc (60.8 cu in) air-cooled v2, four-stroke layout. 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 XLCH 1000 Sportster measures 231 kg (509 lbs) wet (curb), translating to a power-to-weight ratio of 0.25 HP/kg (4.05 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 185 km/h (115 mph).

Within MotoLibrary's Harley-Davidson archive, this model family spans 6 indexed model years from 1973 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
57.2 HP/L
Power-to-Weight
0.25 HP/kg (4.05 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
Fuel Control Overhead Valves (OHV)
Ignition Electronic
Cooling Air
Transmission
Gearbox 4-speed
Final Drive Chain (final drive)
Performance
Top Speed 185.0 km/h (115.0 mph)
Chassis
Front Suspension Telehydraulic forks
Rear Suspension Dual shocks swinging arm fork
Wheels & Brakes
Front Tyre 3.75-19
Rear Tyre 4.25-18
Front Brakes Single disc
Front Brake Ø 285 mm (11.2 inches)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 220.0 kg (485.0 pounds)
Weight incl. 231.0 kg (509.3 pounds)
Power/Weight 0.2591 HP/kg
Fuel Capacity 9.00 litres (2.38 US gallons)
Other
Starter Electric
More from Harley-Davidson
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟡
Intermediate
Requires some riding experience.
🗺️
Best For
Long Distance Touring
⚖️
Handling
Heavy bike — requires confident handling
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