2012 Yamaha BIG BEAR 400 4X4 IRS

2012 Yamaha BIG BEAR 400 4X4 IRS
Realtree® AP™ Camouflage
MSRP: $6,949.00
Manufacturer: Yamaha
Condition: New


  • Potent, 386cc air/oil-cooled, SOHC four-stroke single delivers reliable, class-leading low-end and midrange power to tackle the hardest chores and toughest trails.
  • Independent rear suspension offers maximum ground clearance, excellent terrainability and all-day comfort.
  • Class-exclusive, three-position On-Command® In/Out 4WD feature lets you switch between 2WD, limited-slip 4WD and fully locked differential 4WD—all with the simple push of a button.
  • Constant-mesh five-speed transmission with automatic clutch, reverse and super-low stump-pulling first gear means this is one hard-working ATV.
  • Sealed wet brake out back provides long-lasting, consistent stopping power in even the harshest conditions.
  • Full floorboards and high ground clearance keep the rider high and as dry as possible.
  • Pushbutton electric starting in any gear is backed up by an auxiliary recoil starter.
  • Huge 25x8-12 front and 25x10-12 rear ITP® Mud Lite tires further boost ground clearance while providing great handling and traction.



386cc, 4-stroke, air-/oil-cooled single; SOHC
Bore x Stroke
83.0mm x 71.5mm
Compression Ratio
Fuel Delivery
Mikuni® 33mm BSR
Starting System
Electric w/auxiliary pull
5-speed w/reverse; automatic clutch; front- and rear-wheel engine braking
Drive Train
Yamaha On-Command® pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive


Suspension / Front
Independent double wishbone; 5.8-in travel
Suspension / Rear
Independent double wishbone; 7.6-in travel
Brakes / Front
Dual hydraulic discs
Brakes / Rear
Sealed oil bathed, multi disc
Tires / Front
AT25 x 8-12 ITP® Mud Lite
Tires / Rear
AT25 x 10-12 ITP® Mud Lite


L x W x H
79.4 x 43.9 x 46.7 in
Seat Height
35.2 in
48.4 in
Turning Radius
126 in
Ground Clearance
10.5 in
Fuel Capacity
4.0 gal
Wet Weight
628 lb
Rack Capacity
88 lb Fr./176 lb Rr.
Towing Capacity
1102 lb


Speedometer, odometer & fuel gauge
Dual 30W Krypton multireflector headlights & 21/5W brakelight
6 Month (Limited Factory Warranty)



  • Simple yet powerful 386cc air/oil-cooled, SOHC engine inhales through a heated, semi-oval slide 33mm BSR Mikuni® carburetor for seamless throttle response and excellent all-weather performance.
  • DC-CDI ignition system ensures dependable starting and puts out consistent spark at all rpm for optimal engine performance.
  • Large-capacity oil cooler with cooling fan helps maximize engine efficiency, even under heavy loads.
  • Stainless steel muffler and header provide superior power characteristics, exhaust sound and unmatched durability.
  • Tool-free, easy-access air filter box.
  • Automatic cam chain tensioner reduces engine maintenance and helps extend engine life.


  • Special compact frame design uses fewer components to reduce weight and provide lighter steering, a tighter turning radius and superior durability.
  • Class-leading turning radius provides maximum maneuverability on tight trails and while working with heavy equipment.
  • Independent double-wishbone front suspension has 5.8 inches of travel.
  • Independent rear suspension with 7.6 inches of travel provides excellent handling and all day comfort.
  • On-Command® drive selection with Diff. Lock lets you access full power from 4WD locked.
  • Low seat height for great handling.
  • Plenty of ground clearance and a high mount air intake makes this machine ready for muddy conditions.
  • Large-diameter ventilated hydraulic front disc brakes and a sealed rear wet brake provide plenty of stopping power in a variety of conditions.
  • Reliable, low-maintenance front and rear shaft drive.
  • Specially designed A-arms with removable ball joints provide smooth operation and outstanding reliability.
  • Built-in winch mounts.

Additional Features:

  • Wrinkle-finish cargo racks are super-durable and can pack a class-leading total of 264 pounds (88 front, 176 rear) of payload.
  • Speedometer with odometer/tripmeter adds greater versatility and allows rider to keep track of engine maintenance intervals.
  • Standard center-mounted trailer hitch can hook up more than 1100 pounds of payload.
  • Full floorboards, lots of ground clearance and a high-mount air intake are ready for mud.
  • Flat-style handlebars help provide light steering effort and great rider comfort.
  • Large front and rear fenders with inner splash guards offer excellent mud and splash protection.
  • Water-resistant, large-capacity underseat storage box provides added convenience.
  • Heavy-duty, full-coverage A-arm and CV joint boot protectors help prevent damage to boot covers.
  • Specially designed, thickly padded seat is widely contoured for incomparable rider comfort.
  • Large-capacity, 4-gallon fuel tank has a built-in gauge.
  • Mud and water-resistant automotive-type DC power outlet powers a wide range of accessories.
  • Rugged, serrated footrests provide excellent grip and rider comfort with superb durability.
  • Maintenance-free 18-amp-hour battery provides extra starting power.
  • Underseat marine-spec electrical components ensure maximum protection from the elements and easy access.
  • Bright multireflector 30-watt headlights feature wide positioning to maximize low-light and nighttime visibility.
  • Easy-to-use, handlebar-mounted parking brake and choke lever.
  • Assembled in Newnan, GA, U.S.A.

All inventory listed is subject to availability and prior sale. Manufacturer's Suggested Retail Price (MSRP) if shown for a vehicle excludes set-up, freight, taxes, title, licensing or other dealer charges, and is subject to change. Individual prices may vary. Please request a quote for specific pricing.

Request Quote or More Information