| General |
| Year | 2011 | 2025 |
| Make Model | Yamaha XT660R | KTM 390 Adventure R |
| Dimensions |
| Seat Height | 865mm / 34.1 in | 870 mm / 34.3 in |
| Wheelbase | 1505 mm / 59.3 in | 1481 mm / 58.3 in |
| Ground Clearance | 210 mm / 8.3 in | - |
| Height | 1230 mm / 48.4 in | - |
| Length | 2240 mm / 88.1 in | - |
| Width | 845 mm / 33.2 in | - |
| Weights & Capacities |
| Wet Weight (kg) | 181 | 165 |
| Dry Weight (kg) | 172 | - |
| Dry Weight | 172 kg / 379.2 lbs | - |
| Fuel Capacity | 15 Litres / 3.3 US gal | 14 L / 3.7 US gal |
| Oil Capacity | 2.9 Litres / 0.19 quarts | - |
| Wet Weight | 181 kg / 421 lbs | 165 kg / 364 lbs |
| Performance |
| Top Speed | 164.7 km/h / 102.3 mph | - |
| Max Power | 33.8 kW / 48 hp @ 6000 rpm | 33 kW / 44.3 hp @ 8500 rpm |
| Max Torque | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 39 Nm / 28.7 lb-ft @ 7000 rpm |
| Standing Start ¼ Mile | 14.2 sec | - |
| Engine |
| Displacement | 659 cc/ 40.2 cu-in | 398.7 cc / 24.3 cu-in |
| Engine Detail | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Bore x Stroke | 100 x 84 mm | 89 x 64 mm |
| Compression Ratio | 10.0: 1 | 12.6:1 |
| Cooling System | Liquid cooled | Liquid Cooled |
| Emissions | - | EURO 5+ |
| Engine Management | - | Bosch EMS with RBW |
| Fuel Consumption | 23 km/lit | - |
| Fuel Induction | Fuel injection, 44 mm throttle body | Bosch fuel injection, 46 mm throttle body |
| Ignition | TCI | - |
| Lubrication | Dry sump | Wet sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, multiple-disc coil spring | PASC slipper clutch, mechanically operated |
| Final Drive | Chain | Chain 520-X Ring |
| Primary Drive | - | 86:33 |
| Transmission / Drive | 5 Speed | 6 Speed |
| Chassis |
| Frame Type | Steel tubular diamond frame with dual tank rails | Steel trellis frame, powder coated, with bolt-on subframe |
| Suspension - Front | 43 mm Telescopic forks, | 43mm WP APEX 43, compression and rebound adjustble, 30 clicks |
| Suspension - Rear | Oscillating arm standard Monocross. 200mm wheel travel | WP APEX Split Piston, preload with top ring and rebound, 20 clicks |
| Rake | 27.0° | - |
| Steering Head Angle | - | 63.1° |
| Trail | 107 mm / 4.2 in | - |
| Wheel Travel - Front | 225 mm / 8.8 in | 230 mm / 9.1 in |
| Wheel Travel - Rear | 200 mm / 7.9 in | 230 mm / 9.1 in |
| Wheels & Brakes |
| Brakes - Front | Single 298mm disc 2 piston caliper | Single |
| Brakes - Rear | Single 245mm disc 1 piston caliper | Single 240 mm disc, Bybre floating 1 piston caliper |
| ABS | - | Bosch 10.3 Modular with Offroad mode |
| Tyres - Front | 90/90- 21 | 90/90 x R21 M/C 54T M+S |
| Tyres - Rear | 130/80-17 | 140/80 x R18 M/C 70T M+S |
| Wheels | - | Wire spoke, aluminium rims |
| Wheels - Front | - | 21 x 1.85 |
| Wheels - Rear | - | 18 x 2.5 |