Jawa 639 Chopper 350 - 1996 Specifications and Reviews

The 1996 Jawa 639 Chopper 350 is a lightweight custom cruiser built for riders seeking retro style and manageable performance. Its compact 343cc twin two-stroke engine delivers spirited acceleration with a top speed of 120 km/h, while the low 147 kg weight ensures nimble handling. Best suited for enthusiasts who value vintage aesthetics and accessible everyday riding over raw power.

1996
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General information

CategoryCustom / cruiser
Year1996
ModelJawa 639 Chopper 350

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox4-speed
Cooling systemAir
Top speed120.0 km/h (74.6 mph)
Torque38.20 Nm (3.9 kgf-m or 28.2 ft.lbs) @ 4500
Power23.60
Engine typeTwin, two-stroke
Capacity:343.00 ccm (20.93 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake
Front brakesSingle disc

Physical measures and capacities

Seat height750 mm (29.5 inches) If adjustable, lowest setting.
Power/weight ratio0.1605 HP/kg
Dry weight147.0 kg (324.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

23.6 hp
Peak Power
14.5s
0-60 mph
74.6 mph
Top Speed

Best For

Track5%
City55%
Cornering30%
Daily Riding45%
Touring30%
Passenger25%

Rider Profile

Best ForThis bike suits a relaxed rider who values character and style over outright performance, and beginners will find its modest power approachable.
PurposeIt is built for cruising around town and showing off classic custom styling rather than for speed or long-distance touring.
Rider FitThe low seat height and light dry weight make it easy to handle for riders of most sizes, including shorter riders.
CharacterIt has an old-school two-stroke chopper personality, delivering laid-back, low-revving cruising with a distinctive retro exhaust note.
Not Ideal ForThis is not the bike for riders wanting high speed, sharp cornering agility, or serious off-road or long-haul touring capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

1996 Jawa 639 Chopper 350 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 1996 Jawa 639 Chopper 350, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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