| Attribute | Yamaha YZ 450 F 2007 × | Husqvarna SM 450 R 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Yamaha | Husqvarna |
| Model | Yamaha YZ 450 F | Husqvarna SM 450 R |
| Category | Cross / motocross | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 449 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 97 |
| Stroke (mm) | 63.4 | 60.8 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital CDI | CDI |
| Clutch | - | Wet multiplate type, hydraulic control |
| Lubrication system | - | Dry sump with two oil pump rotor and cartridge filter |
| Compression | 12.3:1 | 12.9:1 |
| Chassis | ||
| Front suspension | Telescopic Fork, coil spring/oil damper | Upside-down telescopic hydraulic adjustable fork (diam.45mm), 250mm travle |
| Rear suspension | Swingarm (link, suspension), coil spring/gas-oil damper, | Progressive ´soft damp´ with hydraulic single shock absorber, 290 mm travle |
| Front brakes | Single disc | Single disc. with radial-mounted 4 piston clipers |
| Rear brakes | Single disc | Single disc. with 2-piston clipers |
| Diameter (mm) | 245 | 240 |
| Frame type | Wet multi-plate | Steel single tube cradle (round tubes), rear frame in light alloy |
| Front tyre | 80/80-M21 | 120/70-17 |
| Rear tyre | 110/90-M19 | 150/60-17 |
| Front wheel travel (mm) | 300 | 250 |
| Rear wheel travel (mm) | 315 | 290 |
| Other | ||
| Starter | - | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,494 | 1,495 |
| Dry weight (kg) | 99 | 119 |
| Overall height (mm) | 1,306 | 1,250 |
| Overall length (mm) | 2,192 | 2,190 |
| Overall width (mm) | 826 | 840 |
| Seat height (mm) | 988 | 915 |
| Ground clearance (mm) | 373 | 270 |
| Performance | ||
| Fuel capacity (l) | 6.81 | 9.2 |