| Attribute | Yamaha Big Bear 400 4x4 IRS 2010 × | Honda FourTrax Rancher AT 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2013 |
| Make | Yamaha | Honda |
| Model | Yamaha Big Bear 400 4x4 IRS | Honda FourTrax Rancher AT |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni® 33mm BSR | Injection. Programmed Fuel Injection (PGM-FI), 34mm throttle bodies |
| Displacement (cm³) | 421 | 420 |
| Cooling system | Oil & air | Liquid |
| Transmission type,final drive | - | Shaft drive (cardan) |
| Bore (mm) | 83 | 86.5 |
| Stroke (mm) | 71.5 | 71.5 |
| Gearbox | 5-speed | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | Overhead Valves (OHV) |
| Emission details | - | Meets current California Air Resources Board (CARB) and EPA off-road emissions standards. |
| Driveline | - | Direct front and rear driveshafts |
| Ignition | - | Full-transistorized type with electronic advance |
| Clutch | - | Automatic |
| Lubrication system | - | Dry sump |
| Compression | 8.6:1 | 9.5:1 |
| Chassis | ||
| Front suspension | Independent double wishbone | Independent double-wishbone |
| Rear suspension | Independent double wishbone | Independent double wishbone |
| Front brakes | Double disc | Double disc |
| Rear brakes | Double disc | Single disc |
| Front tyre | 25/8-AT12 | 24/8-12 |
| Rear tyre | 25/10-AT12 | 24/10-11 |
| Front wheel travel (mm) | 147 | 160 |
| Rear wheel travel (mm) | 193 | 160 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,229 | 1,255 |
| Kerb weight (kg) | 284.9 | 283 |
| Overall height (mm) | 1,186 | 1,163 |
| Overall length (mm) | 2,017 | 2,055 |
| Overall width (mm) | 1,115 | 1,171 |
| Seat height (mm) | 894 | 836 |
| Ground clearance (mm) | 267 | 231 |
| Performance | ||
| Fuel capacity (l) | 15.14 | 13.63 |