14 August. Friday 2026
KTM 640 Duke II - 1999 Specifications and Reviews
The 1999 KTM 640 Duke II is a lightweight supermoto designed for agile street riding and everyday commuting. Powered by a 625cc single-cylinder engine producing 60 horsepower, it excels at responsive handling and maneuverability. Best known for its minimalist design and fun factor, it appeals to riders seeking a versatile, accessible middleweight with genuine character.
General information | |
| Category | Super motard |
| Year | 1999 |
| Model | KTM 640 Duke II |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Power | 60.00 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 625.00 ccm (38.14 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,460 mm (57.5 inches) |
| Dry weight | 145.0 kg (319.7 pounds) |
KTM 640 Duke II dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
Speed and acceleration | |
| Power/weight ratio | 0.4138 HP/kg |
| Top speed | 170.0 km/h (105.6 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 12.00 litres (3.17 gallons) |
Performance Profile & Rider Fit
53.6 hp
Peak Power
5.8s
0-60 mph
105.6 mph
Top Speed
Best For
Track55%
City75%
Cornering85%
Daily Riding55%
Touring30%
Passenger25%
Rider Profile
| Best For | Best suited to intermediate to experienced riders who appreciate the punchy, characterful feel of a big single and don't mind its rawness. |
| Purpose | A lightweight, muscular street naked designed for sharp handling, urban fun, and spirited backroad riding rather than outright speed or distance. |
| Rider Fit | The tall 900mm seat height and light 152kg dry weight favor taller or more confident riders, though the slim chassis makes it manageable for most. |
| Character | Gritty, torquey, and mechanical in feel, this bike rewards riders who enjoy an engaging, old-school single-cylinder thumper experience with premium WP suspension. |
| Not Ideal For | Not a good fit for riders seeking smooth long-distance comfort, pillion-friendly touring capability, or high top-speed thrills. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More KTM Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501
Please Login or Register if you would like to leave a comment.