| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | OSSA |
| Model Name | 500 Yankee |
| Year | 1978 |
| Category(class) | All-round |
| Engine |
|---|
| Engine Capacity (Displacement) | 488 ccm (29.78 cubic inches) |
| Engine Type | Twin |
| Bore x Stroke | Ø72.0 mm x 60.0 mm (Ø2.83 inches x 2.36 inches) |
| Bore/Stroke Ratio | 1.2 |
| Stroke | 2 |
| Timing System | PORT CONTROL |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 6 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc |
| Rear Brakes | Single disc |
| Front Tire | 3.25-19 |
| Rear Tire | 4.00-18 |
| Dimensions |
|---|
| Curb Weight | 168 kg (370 lb) |
| Fuel Capacity | 18 litres (4.76 gallons) |
| Performance |
|---|
| Max Power | 58.00 HP (42.3 kW) at 7500 RPM |
| Power/Weight Ratio | 0.35 Hp/Kg |
| Top Speed | 185 km/h (115mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 4.8 seconds |
| 0-60 mph | 4.6 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
