Comparison of Yamaha Big Bear 400 4x4 IRS 2009 and Yamaha Wolverine 450 Auto 4x4 2009 [S]ave
| Attribute |  Yamaha Big Bear 400 4x4 IRS 2009 × |  Yamaha Wolverine 450 Auto 4x4 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2009 |
| Make | Yamaha | Yamaha |
| Model | Yamaha Big Bear 400 4x4 IRS | Yamaha Wolverine 450 Auto 4x4 |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor. Mikuni® 33mm BSR | Carburettor. Mikuni® 33mm BSR |
| Displacement (cm³) | 386 | 421 |
| Cooling system | Oil & air | Liquid |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 83 | 84.5 |
| Stroke (mm) | 71.5 | 75 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Ignition | DC-CDI | DC – CDI |
| Compression | 8.6:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Independent double wishbone | Independent double wishbone |
| Rear suspension | Independent double wishbone | Swingarm |
| Front brakes | Double disc | Double disc |
| Rear brakes | Double disc | Single disc |
| Front tyre | 25/7-AT12 | 23/7-12 |
| Rear tyre | 25/10-AT12 | 23/10-12 |
| Front wheel travel (mm) | 127 | 127 |
| Rear wheel travel (mm) | 127 | 127 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Dimensions | ||
| Wheelbase (mm) | 1,229 | 1,232 |
| Dry weight (kg) | 269 | 234 |
| Overall height (mm) | 1,186 | 1,095 |
| Overall length (mm) | 2,017 | 1,979 |
| Overall width (mm) | 1,115 | 1,064 |
| Seat height (mm) | 894 | 841 |
| Ground clearance (mm) | 267 | 221 |
| Performance | ||
| Fuel capacity (l) | 15.14 | 14.38 |
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