KTM 640 Adventure
2002 640 Adventure R | |
| Manufacturer | KTM |
|---|---|
| Production | 1998-2007 |
| Successor | KTM 690 Enduro |
| Class | Dual-sport |
| Engine | 620 cc (38 cu in) single cylinder, 4-stroke, Mikuni BST40, Pressure oil lubrication |
| Bore / stroke | 101 mm × 78 mm (4.0 in × 3.1 in) |
| Compression ratio | 11.7:1 |
| Power | 54 hp (40 kW)/7000rpm |
| Torque | 55 N⋅m (41 lbf⋅ft)/5500 rpm |
| Ignition type | Kokusan DC-CDI |
| Transmission | 5 gears, dog clutch engagement |
| Frame type | Chromium-molybdenum, power-coated |
| Suspension | Front: WP USD 48mm fork, Rear: WP monoshock with Pro Lever Linkage |
| Brakes | Front: Dual 320 mm disc (from 2004); Rear: Brembo 1-piston floating caliper, 220 mm disc |
| Tires | Front: 90/90-21"; Rear: 140/80-18" |
| Rake, trail | 62.5° |
| Wheelbase | 1,510 mm (59 in) ±10mm |
| Seat height | 945 mm (37.2 in) |
| Weight | 158 kg (348 lb) (dry) |
| Fuel capacity | 25.5 L (5.6 imp gal; 6.7 US gal), 3.5 L (0.77 imp gal; 0.92 US gal) reserve |
| Related | Duke 640 |
The KTM 640 Adventure is a dual-sport motorcycle made by KTM from model years 1998 until 2007.
The bike featured a single cylinder engine, 21" front and 18" rear wheels and a large fuel tank as standard. It experienced a number of minor changes over its lifespan.