Jawa 350/639 - 1991 Specifications and Reviews
The 1991 Jawa 350/639 is a lightweight naked bike ideal for novice riders and commuters seeking affordable, reliable transportation. Its air-cooled twin-cylinder engine delivers modest performance with strong low-end torque, while the simple carbureted design and robust construction make it known for dependability and easy maintenance in diverse riding conditions.
1991
General information | |
| Category | Naked bike |
| Year | 1991 |
| Model | Jawa 350/639 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Cooling system | Air |
| Lubrication system | mix |
| Fuel system | Carburettor |
| Bore x stroke | 58.0 x 65.0 mm (2.3 x 2.6 inches) |
| Torque | 32.00 |
| Stroke | 2 |
| Engine type | Twin |
| Capacity: | 344.00 ccm (20.99 cubic inches) |
Physical measures and capacities | |
| Exhaust system | Double stainless steel pipes |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Single disc |
| | |
Speed and acceleration | |
| Top speed | 130.0 km/h (80.8 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | red, black, white |
| Fuel consumption pr. 10 km (6.2 miles) | 4.00 litres (1.06 gallons) |
| Reserve fuel capacity | 2.00 litres (0.53 gallons) |
| Fuel capacity | 17.00 litres (4.49 gallons) |
Performance Profile & Rider Fit
80.8 mph
Top Speed
Best For
Track10%
City55%
Cornering35%
Daily Riding45%
Touring30%
Passenger30%
Rider Profile
| Best For | This simple two-stroke twin is a forgiving machine well suited to beginners and riders who enjoy classic, low-stress motorcycling. |
| Purpose | It works best as a light commuter or leisurely weekend runabout rather than a performance or adventure machine. |
| Rider Fit | Its modest size and weight class make it easy to handle for riders of most statures and strength levels. |
| Character | It has the charming, unhurried personality of an old-school air-cooled two-stroke, with a distinctive exhaust note and mechanical simplicity. |
| Not Ideal For | It is not suited for riders seeking high speed, long-distance touring comfort, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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