| MODEL | JAWA 640 1994 |
| Year | 1994 |
| Engine Type | Twin, two-stroke |
| Displacement / Capacity | 350 cc / 21.36 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | 16.8 kW / 23.0 hp @ 5250 rpm |
| Max Torque | 31.4 Nm / 23.1 lb-ft @ 4750 rpm |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 780 mm / 30.7 in |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 150 kg / 330.7 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.49 US gal (2.5 L reserve) |
| Fuel Consumption | — |
| Top Speed | — |
The base 640, the first of the family built around the 350 air-cooled twin two-stroke, with a four-speed gearbox and front disc brake.
