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2009 Yamaha Big Bear 400
2009 Yamaha Big Bear 400

2009 Yamaha Big Bear 400
2009 Yamaha Big Bear 400

2009 Yamaha Big Bear 400
2009 Yamaha Big Bear 400

2009 Yamaha Big Bear 400
2009 Yamaha Big Bear 400

2009 Yamaha Big Bear 400
2009 Yamaha Big Bear 400

– 2009 Yamaha Big Bear 400

2009 Yamaha Big Bear 400

One serious Bear. When you have a job to do, and cannot afford to compromise.

With a semi-automatic transmission, On-Command with Diff Lock, ITP Mud Lites and a sealed wet brake, this Bear was built for serious work on serious terrain.

When you’ve got a job to do, regardless of the conditions, you can’t afford compromise. The Big Bear 400 is a no-compromise purpose built ATV.

Big Bear 400 IRS 4×4 features a midsized chassis, torquey, powerful engine, 5 speed automatic clutch gearbox with reverse, independent rear suspension, On-Comman 2WD and 4WD with Diff Lock, sealed wet brake, integrated floorboards, large comfortable seat and more.



Independent Rear Suspension (“IRS”) – improves ride comfort and ground clearance

ITP Mud Lites for improved traction on the slippery stuff.

Sealed rear wet brake to help keep out the elements

Features and Benefits:

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.
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.

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.

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 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 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 multi-reflector 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.


2009 Yamaha Big Bear 400 – USA Specifications
MSRP* $5,799 (Black Metalic) Available from September 2008
$5,799 (Hunter Green) Available from September 2008
$5,799 (Steel Blue) Available from September 2008
$6,149 (Realtree® AP HD® Camouflage) Available from June 2008

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

Bore x Stroke 83.0mm x 71.5mm

Compression Ratio 8.6:1

Carburetion 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

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 wet brake

Tires/Front AT25x8-12 ITP Mud Lite

Tires/Rear AT25x10-12 ITP Mud Lite

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

Dry Weight 593 lb

Rack Capacity 88 lb Fr./176 lb Rr.

Towing Capacity 904 lb

Instrumentation Speedometer, odometer & fuel gauge

Lighting Dual 30W Krypton multi-reflector headlights & 21/5W brakelight

Warranty 6 Month (Limited Factory Warranty)


2009 Yamaha Big Bear 400 – Canada Specifications
Canadian MSRP $8,299

Engine 4-Stroke, SOHC, Single, Air/Oil Cooler w/ Fan
Displacement 386 cc
Bore and Stroke 83mm x 71.5mm
Compression Ratio 8.6 : 1
Carburetion Mikuni 33mm BSR
Ignition DC – CDI
Starting Electric w/ Auxiliary Pull
Lubrication wet sump
Transmission 5-Speed, Automatic Clutch w/ Reverse
Final Drive On-command push button 2WD / 4WD / 4WD diff. lock, shaft drive

Suspension (Front) Independent Double Wishbone, w/ 5-way Preload Adjustment.
Suspension (Rear) Independent Double Wishbone, w/ 5-way Preload Adjustment.
Brakes (Front) Dual Hydraulic Disc
Brakes (Rear) Fully Sealed , Oil Bath, Multi Disc
Tires (Front) ITP Mud Lite 25×8-12
Tires (Rear) ITP Mud Lite 25×10-12

Length 2016 mm (79.4 in)
Width 1116 mm (43.9 in)
Height 1187 mm (46.7 in)
Wheelbase 1230 mm (48.4 in)
Ground Clearance 267mm(10.5 in)
Seat Height 895 mm (35.2 in)
Dry Weight 265 kg (593.0 lb)
Fuel Capacity 15 litres
Towing Capacity 410 kg (904 lb)
Colour(s) Dark Blue
Dark Green