| Attribute | Yamaha YFZ450 2012 × | Suzuki QuadSport Z400 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2011 |
| Make | Yamaha | Suzuki |
| Model | Yamaha YFZ450 | Suzuki QuadSport Z400 |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni 42mm BSR | Injection |
| Engine details | Titanium valves | - |
| Displacement (cm³) | 449 | 450 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 95 | 90 |
| Stroke (mm) | 63.4 | 62.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | 2WD; sealed O-ring chain, eccentric adjustment | RK 520SMOZ10S, 96 links |
| Ignition | DC - CDI | Electronic ignition |
| Clutch | Wet multiplate | - |
| Lubrication system | - | Dry sump |
| Compression | 11.4:1 | 11.3:1 |
| Chassis | ||
| Front suspension | Independent double wishbone, threaded preload adjustment, 9.1-in travel | Independent, double wishbone, coil spring, oil damped |
| Rear suspension | Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel | Swingarm type, coil spring, oil damped |
| Front brakes | Double disc. Hydraulic disc | Double disc |
| Rear brakes | Single disc. Hydraulic Disc | Single disc |
| Diameter (mm) | 173 | - |
| Front tyre | 21/7-10 | 22/7-10 |
| Rear tyre | 20/10-9 | 20/10-9 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Light | Dual 30W Krypton multireflector headlights and 3.9/0.5W LED brakelight | - |
| Dimensions | ||
| Wheelbase (mm) | 1,280 | 1,245 |
| Kerb weight (kg) | 172.8 | 193 |
| Overall length (mm) | 1,839 | 1,830 |
| Overall width (mm) | 1,171 | 1,190 |
| Seat height (mm) | 810 | 810 |
| Ground clearance (mm) | 114 | 265 |
| Performance | ||
| Fuel capacity (l) | 9.84 | 9.5 |