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Big Bear 400 4×4 IRS

2012 Big Bear 400 4×4 IRS

Time for Some Serious Mudslingin’.

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 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.

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

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 provides excellent handling and all day comfort.
  • 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 and a high mount air intake makes this machine ready for muddy conditions.
  • 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 25×8-12 front and 25×10-12 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 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.
  • Built in Newnan, GA, USA.
MSRP* $6,649 (Realtree AP Camo) Available from September 2009

$6,299 (Hunter Green) Available from November 2009

$6,299 (Steel Blue) Available from November 2009

Engine
Type 386cc, 4-stroke, air-/oil-cooled single; SOHC

Bore x Stroke 83.0mm x 71.5mm

Compression Ratio 8.6:1

Fuel Delivery 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

Drive Train Yamaha On-Command® pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive

Chassis
Suspension/Front Independent double wishbone; 5-way preload adjustment, 5.8-in travel

Suspension/Rear Independent double wishbone; 5-way preload adjustment, 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

Dimensions
L x W x H 79.4 x 43.9 x 46.7 in

Seat Height 35.2 in

Wheelbase 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 904 lb

Other
Instrumentation Speedometer, odometer & fuel gauge

Lighting Dual 30W Krypton multireflector headlights & 21/5W brakelight

Warranty 6 Month (Limited Factory Warranty)