14 August. Friday 2026
KTM LC4 640 Supermoto - 1999 Specifications and Reviews
The 1999 KTM LC4 640 Supermoto is a nimble single-cylinder supermoto designed for riders seeking lightweight agility and off-road capability on street tires. Its torquey 625cc engine and compact 137kg frame excel in urban environments and mixed terrain riding. Known for excellent maneuverability and approachable performance, it appeals to intermediate riders wanting versatile fun.
1999
General information | |
| Category | Super motard |
| Year | 1999 |
| Model | KTM LC4 640 Supermoto |
| | |
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 | 1,510 mm (59.4 inches) |
| Dry weight | 137.0 kg (302.0 pounds) |
KTM LC4 640 Supermoto dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.4380 HP/kg |
| Top speed | 160.0 km/h (99.4 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
60 hp
Peak Power
4.2s
0-60 mph
99.4 mph
Top Speed
Best For
Track68%
City82%
Cornering93%
Daily Riding55%
Touring28%
Passenger20%
Rider Profile
| Best For | Best suited to intermediate or experienced riders who can manage a light, torquey big-bore single with sharp, immediate reactions. |
| Purpose | Built for supermoto-style thrills: aggressive cornering, tight technical roads, and playful wheelies rather than outright top-end speed. |
| Rider Fit | The low dry weight and tall, narrow seating position reward an active, engaged riding style but can tire less fit riders on longer stints. |
| Character | A raw, mechanical, single-cylinder brute that feels alive at every twist of the throttle, with go-kart-like handling and minimal creature comforts. |
| Not Ideal For | Not a good fit for riders wanting a smooth, comfortable long-distance tourer or a passenger-friendly machine. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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