2012 Yamaha Big Bear

2012 Yamaha Big Bear


Yamaha ATV Model Information

2012 Yamaha Big Bear 400 IRS 4x4 Utility ATV Info



Big Bear 400 IRS ATV Key Features

  • 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 excellent terrainability and all-day comfort.
  • Class-exclusive, pushbutton On-Command® with Diff Lock makes switching from 2WD to 4WD to 4WD Diff Lock a snap.
  • Constant-mesh fi ve-speed transmission with automatic clutch, reverse and super-low stump-pulling fi rst 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 fl oorboards and high ground clearance keep the rider high and as dry as possible.
  • Number-one-selling aftermarket ITP® Mud Lite tires make the Big Bear 400 an excellent mud machine.
  • Pushbutton electric starting in any gear is backed up by an auxiliary recoil starter.

Big Bear 400 IRS ATV Engine

  • 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.
  • Easy-access, tool-free air filter box.
  • Automatic cam chain tensioner reduces engine maintenance and helps extend engine life.

Big Bear 400 IRS ATV Chassis/Suspension

  • 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 rear suspension makes this one super-comfortable, while it makes even more terrain accessible.
  • High-tech sealed wet brake provides consistent, long-lasting braking performance in hostile environments.
  • 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 means superb terrainability.
  • Independent double-wishbone front suspension with five-way preload-adjustable shocks and 5.8 inches of travel.
  • 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.
  • Huge 25x8-12 front and 25x10-12 rear ITP® Mud Lite tires further boost ground clearance while providing great handling and traction.
  • 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 900 pounds of payload.
  • Full floorboards, lots of ground clearance and a high-mount air intake are ready for mud.
  • Flat-style handlebars help lighten steering effort and deliver greater rider comfort.
  • Large front and rear fenders with inner splash guards offer excellent mud and splash protection.
  • Large-capacity, 4-gallon fuel tank has a built-in gauge.
  • 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.
  • Mud-/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.
  • Built in Newnan, GA, USA.

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2012 Yamaha Big Bear

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