The Yamaha Big Bear 400 4x4 IRS features a mid-size chassis, torquey, powerful engine, 5-speed automatic-clutch gearbox with reverse, independent rear-suspension, On-Command 2WD/4WD with Diff Lock, sealed wet brake, integrated floorboards, a large comfortable seat and more.
2011 Yamaha Big Bear 400 4x4 IRS Specifications
| Year | 2011 |
| Manufacturer | Yamaha |
| Model | Big Bear 400 4x4 IRS |
| Engine Type | 4-stroke SOHC |
| Engine Displacement | 386cc |
| Bore & Stroke | 83.0 mm x 71.5 mm |
| Compression Ratio | 8.6:1 |
| Cooling | Air/Oil-Cooled |
| Fuel System | Mikuni 33mm BSR |
| Ignition | DC-CDI |
| Starting System | Electric w/auxiliary pull |
| Transmission | 5-speed w/reverse; automatic clutch; front- and rear-wheel engine braking |
| Final Drive | Shaft |
| Rake and Trail | NA |
| Wheel Base | 48.4 in. |
| Seat Height | 35.2 in. |
| Front Suspension | Independent double wishbone; 5-way preload adjustment, 5.8-in travel |
| Rear Suspension | Independent double wishbone; 5-way preload adjustment, 7.6-in travel |
| Front Brake | Dual hydraulic discs |
| Rear Brake | Sealed oil bathed, multi disc |
| Front Tire | AT25 x 8-12 ITP Mud Lite |
| Rear Tire | AT25 x 10-12 ITP Mud Lite |
| Fuel Capacity | 4.0 gal. |
| Dry Weight | 628 lbs. (Wet) |
| MSRP | $6,599 |
2011 Yamaha Big Bear 400 4x4 IRS Pictures
