2012 Yamaha Big Bear 400

The 2012 Yamaha Big Bear 400 available in 386cc air/oil-cooled, SOHC four-stroke single delivers reliable, class-leading low-end and mid-range power to tackle the hardest trails. Push-button electric starting in any gear is backed up by an auxiliary recoil starter. Independent rear suspension offers maximum ground clearance, excellent terrain-ability and all-day comfort as on Yamaha’s Grizzly products line such as Grizzly 350, Grizzly 300, and Grizzly 125. Class-exclusive, three-position On-Command® In/Out 4WD features the switch between 2WD, limited-slip 4WD and fully locked differential 4WD, and all with push of a button. Huge 25×8-12 front and 25×10-12 rear ITP® Mud Lite tires further boost ground clearance while providing great handling and traction, just like on other sport-utility ATV from other manufacturers such as FourTrax Rincon, King Quad 400, and Foreman Rubicon. Wrinkle-finish cargo racks are super-durable and can pack a class-leading total of 264 pounds (88 front, 176 rear) of payload. Bright multi-reflector 30-watt headlights feature wide positioning to maximize low-light and nighttime visibility with maintenance-free 18-amp-hour battery that provides extra starting power, and under-seat marine-spec electrical components ensure maximum protection. Learn more about detail specification and features on 2012 Yamaha Big Bear 400.

2012 Yamaha Big Bear 400

2012 Yamaha Big Bear 400

2012 Yamaha Big Bear 400 Specification

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 with auxiliary pull
Transmission – 5-speed with reverse, automatic clutch, front and rear wheel engine braking
Drive Train – Yamaha On-Command® push-button, 3-way locking differential, 2WD, 4WD, locked 4WD, shaft drive

Chassis and Dimension

Available Colors – Steal Blue, Hunter Green, Realtree® AP™ Camouflage
Lighting – Dual 30W Krypton multi-reflector headlights & 21W/5W brake-light
Suspension Front – Independent double wishbone, 5.8-in travel
Suspension Rear – Independent double wishbone, 7.6-in travel
Tires Front – AT25 x 8-12 ITP® Mud Lite
Tires Rear – AT25 x 10-12 ITP® Mud Lite
Brakes Front – Dual hydraulic discs
Brakes Rear – Sealed oil bathed, multi disc
Rack Capacity – 88 lb front/176 lb rear
Towing Capacity – 1102 lb
Turning Radius – 126 in
Fuel Capacity – 4.0 gal
Seat Height – 35.2 in
Wheelbase – 48.4 in
Ground Clearance – 10.5 in
Dimension – 79.4×43.9×46.7 in
Wet Weight – 628 lb

2012 Yamaha Big Bear 400 Features

Engine and Transmission – 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. Large-capacity oil cooler with cooling fan helps maximize engine efficiency, even under heavy loads. DC-CDI ignition system ensures dependable starting and puts out consistent spark at all rpm for optimal engine performance. Constant-mesh five-speed transmission with automatic clutch, reverse and super-low stump-pulling first gear means this is one hard-working ATV. Stainless steel muffler and header provide superior power characteristics, exhaust sound and unmatched durability.

Chassis and Suspension – 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. Plenty of ground clearance and a high mount air intake makes this machine ready for muddy conditions. Low seat height for great handling on independent double-wishbone front suspension with 5.8 inches of travel and independent rear suspension 7.6 inches of travel provides excellent handling and all day comfort. Specially designed A-arms with removable ball joints provide smooth operation and outstanding reliability. Large-diameter ventilated hydraulic front disc brakes and a sealed rear wet brake provide plenty of stopping power on 2012 Yamaha Big Bear 400.

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