Comparison of Yamaha Big Bear 400 4x4 IRS 2010 and Yamaha Grizzly 450 IRS 2015 [S]ave
| Attribute |  Yamaha Grizzly 450 IRS 2015 × |  Yamaha Big Bear 400 4x4 IRS 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2010 |
| Make | Yamaha | Yamaha |
| Model | Yamaha Grizzly 450 IRS | Yamaha Big Bear 400 4x4 IRS |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor. BSR33/1 | Carburettor. Mikuni® 33mm BSR |
| Engine details | Gear-driven crankshaft balancer shaft and rubber-damper engine mounts | - |
| Displacement (cm³) | 421 | 421 |
| Cooling system | Liquid | Oil & air |
| Transmission type,final drive | Shaft drive (cardan) | - |
| Bore (mm) | 84.5 | 83 |
| Stroke (mm) | 75 | 71.5 |
| Gearbox | Automatic | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Driveline | Ultramatic® V-Belt Transmission L/H/N/R/P. On-Command; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft | - |
| Ignition | DC-CDI | - |
| Compression | 10.0:1 | 8.6:1 |
| Chassis | ||
| Front suspension | Independent double wishbone, 5 position preload adjustment | Independent double wishbone |
| Rear suspension | Independent double wishbone, 5 position preload adjustment | Independent double wishbone |
| Front brakes | Double disc. Hydraulic. | Double disc |
| Rear brakes | Double disc. Sealed oil-bathed multi-disc | Double disc |
| Front tyre | 25/8-12 | 25/8-AT12 |
| Rear tyre | 25/10-12 | 25/10-AT12 |
| Front wheel travel (mm) | 160 | 147 |
| Rear wheel travel (mm) | 180 | 193 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Carrying capacity | Front and rear rack. | - |
| Light | Dual 30W Krypton multireflector headlights and 21W/5W brakelight | - |
| Instruments | Digital LCD multifunction display: speedometer, odometer, dual tripmeter, hour meter, clock, gear position and fuel gauge | - |
| Dimensions | ||
| Wheelbase (mm) | 1,232 | 1,229 |
| Kerb weight (kg) | 281.2 | 284.9 |
| Overall height (mm) | 1,120 | 1,186 |
| Overall length (mm) | 1,994 | 2,017 |
| Overall width (mm) | 1,092 | 1,115 |
| Seat height (mm) | 841 | 894 |
| Ground clearance (mm) | 274 | 267 |
| Performance | ||
| Fuel capacity (l) | 15.14 | 15.14 |
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