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← Jawa
Naked bike · 1999

640 Classic

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MotoLibrary Score
41 /100 Commuter
Power/Weight
0.16 hp/kg
Top Speed
120 km/h
Engine
344 ccm

1999 Jawa 640 Classic Key Specifications & Summary

The 1999 Jawa 640 Classic is a naked bike motorcycle manufactured by Jawa, equipped with a 344.0 ccm (20.99 cubic inches) displacement unit (Twin, two-stroke) with air cooling. In factory trim, the engine delivers a rated power of 24.0 HP (17.5 kW)) @ 5250 RPM and chain (final drive) final drive.

For rider ergonomics and real-world handling, key chassis measurements include a dry weight of 149.0 kg (328.5 pounds), fuel capacity of 17.00 litres (4.49 US gallons). Review the complete factory specification tables below to evaluate engine internals, suspension travel, braking hardware, tyre sizes and ownership estimates, or compare the 1999 Jawa 640 Classic side by side against rival models in the Naked bike lineup.

Engine
Displacement 344.0 ccm (20.99 cubic inches)
Engine Type Twin, two-stroke
Engine Details Twin, two-stroke
Power 24.0 HP (17.5 kW)) @ 5250 RPM
Cooling Air
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 120.0 km/h (74.6 mph)
Chassis
Wheelbase 1370 mm (53.9 inches)
Wheels & Brakes
Front Brakes Expanding brake
Rear Brakes Expanding brake
Dimensions & Weight
Dry Weight 149.0 kg (328.5 pounds)
Power/Weight 0.1611 HP/kg
Fuel Capacity 17.00 litres (4.49 US gallons)
More from Jawa
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏍️
Best For
City & Weekend Rides
⚖️
Handling
Manageable weight for most riders
100 ? 600 : hp > 50 ? 400 : 250; return Math.round(base + (this.km / 10000) * 150); }, get insuranceCost() { const hp = 24; return Math.round(hp > 100 ? 800 : hp > 50 ? 500 : 300); }, get total() { return this.fuelCost + this.maintenanceCost + this.insuranceCost; }, get monthly() { return Math.round(this.total / 12); } }">
Estimate

Ownership Cost Calculator

⛽ Fuel
per year
🔧 Maintenance
per year
🛡️ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

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