| Attribute | Kawasaki KX450X × | Husqvarna SMR630 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2013 |
| Make | Kawasaki | Husqvarna |
| Model | Kawasaki KX450X | Husqvarna SMR630 |
| Category | Cross / motocross | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection. DFI® with 44mm Keihin throttle body | Injection. Mikuni Digital |
| Displacement (cm³) | 449 | 600 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 96 | 100 |
| Stroke (mm) | 62 | 76.4 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | - | 6 speed constant mesh |
| Ignition | Digital CDI with 3 Coupler Options | Electronic, inductive discharge, with adjustable advance (digital control) |
| Clutch | Wet multi-disc, manual | Wet, multi-plate type, hydraulic control |
| Lubrication system | - | Wet sump with oil pump and cartridge filter |
| Compression | 12.5:1 | 12.4:1 |
| Chassis | ||
| Front suspension | 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping | Marzocchi USD telescopic hydraulic fork with advanced axle, rebound stroke adjustment |
| Rear suspension | Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping | Sachs Progressive Soft Damp type with single hydraulic shock absorber, spring pre-load adjustment |
| Front brakes | Single disc. Semi-floating petal discs | Single disc. Floating disc with hydraulic control and radial caliper |
| Rear brakes | Single disc. Single-piston caliper. | Single disc. Floating disc with hydraulic control and floating caliper |
| Diameter (mm) | 250 | 220 |
| Frame type | Aluminum perimeter | Steel single tube cradle; rear frame in light alloy |
| Front tyre | 80/100-21 | 120/70-17 |
| Rear tyre | 120/80-18 | 150/60-17 |
| Front wheel travel (mm) | 305 | 250 |
| Rear wheel travel (mm) | 307 | 290 |
| Trail (mm) | 119 | 83 |
| Rake (fork angle) (degree) | 27.6 | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Light | - | 60W headlight |
| Instruments | - | Digital dash |
| Dimensions | ||
| Wheelbase (mm) | 1,485 | 1,495 |
| Dry weight (kg) | 107 | 151 |
| Overall height (mm) | 1,265 | 1,190 |
| Overall length (mm) | 2,185 | 2,170 |
| Overall width (mm) | 820 | 840 |
| Seat height (mm) | 950 | 910 |
| Ground clearance (mm) | 335 | 240 |
| Performance | ||
| Fuel capacity (l) | 6.2 | 12 |