| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Harley-Davidson | 
| Model Name | XLCH 1000 Sportster | 
| Year | 1977 | 
| Category(class) | Cruiser / Chopper / Custom | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 997 ccm (60.84 cubic inches) | 
| Engine Type | V-type, 2 cylinders | 
| Bore x Stroke | Ø81.0 mm x 96.8 mm (Ø3.19 inches x 3.81 inches) | 
| Bore/Stroke Ratio | 0.84 | 
| Stroke | 4 | 
| Valves per Cylinder | 2 | 
| Timing System | OHV | 
| Cooling System | Air | 
| Powertrain | 
|---|
| Gearbox | 4 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Front Brakes | Single disc | 
| Rear Brakes | Drum | 
| Front Tire | 3.75-19 | 
| Rear Tire | 4.25-18 | 
| Dimensions | 
|---|
| Curb Weight | 220 kg (485 lb) | 
| Fuel Capacity  | 9 litres (2.38 gallons) | 
| Performance | 
|---|
| Max Power | 57.00 HP (41.6 kW) at 6000 RPM | 
| Power/Weight Ratio | 0.26 Hp/Kg | 
| Top Speed | 185 km/h (115mph) | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 5.5 seconds | 
| 0-60 mph | 5.2 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |