| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Jawa |
| Model Name | 638 |
| Year | 1994 |
| Category(class) | All-round |
| Engine |
|---|
| Engine Capacity (Displacement) | 350 ccm (21.36 cubic inches) |
| Engine Type | Twin |
| Stroke | 2 |
| Powertrain |
|---|
| Gearbox | 4 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Expanding brake |
| Rear Brakes | Expanding brake |
| Dimensions |
|---|
| Seat Height | 800 mm (31.5 inches) |
| Dry Weight | 155.0 kg (342 lb) |
| Fuel Capacity | 17.00 litres (4.49 gallons) |
| Reserve Fuel Capacity | 2.50 litres (0.66 gallons) |
| Performance |
|---|
| Max Power | 26.00 HP (19.0 kW) at 5500 RPM |
| Max Torque | 31.38 Nm (23.07 ft*lbs) at 4750 RPM |
| Power/Weight Ratio | 0.15 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 10.1 seconds |
| 0-60 mph | 9.6 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
