Jawa 350-639
1991Naked

Jawa 350-639

Key specifications

Engine
344 cc
Torque
32 Nm
Fuel type
petrol
Fuel capacity
4.5 L
Front brakes
Single disc
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1991 Jawa 350-639, a quintessential naked bike that embodies the spirit of classic motorcycling. Crafted by the renowned Czech manufacturer Jawa, this model arrived on the scene during a transformative era for the motorcycle industry, where performance and style began to intersect. With its robust design and spirited performance, the 350-639 appeals to riders who appreciate the charm of vintage motorcycles while seeking a machine that can handle everyday riding with ease. The 350-639 stands as a testament to Jawa's legacy, combining reliable engineering with a distinctive aesthetic that captures the hearts of motorcycle enthusiasts. At the heart of the Jawa 350-639 lies a 344cc twin-cylinder, two-stroke engine, which produces a commendable torque of 32 Nm at 4750 RPM. This powerful little powerhouse allows the bike to reach a top speed of 130 km/h (80.8 mph), making it a thrilling ride for both urban commuting and leisurely weekend escapades. The carburettor-fueled engine delivers an impressive fuel economy of 4.00 litres per 100 km (58.81 mpg), allowing riders to enjoy long journeys without frequent stops at the gas station. The air-cooled nature of the engine helps maintain simplicity and reliability, while the chain final drive ensures that every ounce of power is efficiently transmitted to the rear wheel, providing an exhilarating ride. In terms of features, the 1991 Jawa 350-639 doesn't shy away from the essentials. It comes equipped with a single disc brake at the front, providing reliable stopping power, while the rear features a classic expanding drum brake for a vintage touch. With a fuel capacity of 17 litres (4.49 gallons), this bike is well-suited for longer rides, allowing for fewer interruptions on the road. The 350-639 is available in striking colors of red, black, and white, appealing to those who value both performance and aesthetics. Its naked bike design offers a minimalist approach, perfect for riders who appreciate the raw connection between machine and rider. **

Pros

  • Classic Design: The Jawa 350-639 boasts a vintage aesthetic that appeals to classic motorcycle enthusiasts.
  • Economical Performance: Excellent fuel economy (58.81 mpg) makes it a cost-effective choice for daily commuting.
  • Decent Power Output: The two-stroke engine provides a spirited ride with adequate torque for city and highway riding.

Cons

  • Limited Technology: Lacks modern features such as ABS or advanced electronics, which may deter tech-savvy riders.
  • Weight Distribution: The traditional chassis may feel heavier compared to contemporary naked bikes, affecting maneuverability.
  • Two-Stroke Maintenance: The two-stroke engine requires regular maintenance and attention to keep it performing at its best, which might be a concern for some riders.

Technical details

Source specification data

Make
Jawa
Model
350-639
Category
Naked bike
Color Options
Red, black, white
Torque
32.00 Nm (3.3 kgf-m or 23.6 ft.lbs) @ 4750 RPM
Top Speed
130.0 km/h (80.8 mph)
Fuel System
Carburettor
Bore X Stroke
58.0 x 65.0 mm (2.3 x 2.6 inches)
Displacement
344.00 ccm (20.99 cubic inches)
Cooling System
Air
Engine Details
Twin, two-stroke
Exhaust System
Double stainless steel pipes
Fuel Consumption
4.00 litres/100 km (25.0 km/l or 58.81 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Lubrication System
mix
Transmission Type Final Drive
Chain
Fuel Capacity
17.00 litres (4.49 gallons)
Reserve Fuel Capacity
2.00 litres (0.53 gallons)
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Single disc

Available colors

Redblackwhite