2011 Yamaha Big Bear 400 4X4 IRS

2011 Yamaha Big Bear 400 4X4 IRS Specifications

Engine:

Engine configuration	Single-Cylinder
How many cylinders	1
Types of power cycles	Four-stroke
Type of cooling system	Air / Oil
Valves	2
Valves Per Cylinder	2
Valve types and configurations	Single Overhead Camshaft
Bore (millimeters/inches)	83 / 3.27
Stroke (millimeters/inches)	71.5 / 2.82
Engine displacement (cubic centimeters/cubic inches)	386 / 23.6
Compression Ratio	8.6:1
Starter Type	Electric / Pull
Fuel	Regular
Type of Fuel	Gas
Carb Model	Mikuni
Injector	–
Carb	+
Number Of Carburetors	1
Carburetor Size (mm)	33
Carburetor system	Carb
Governor (device)	–
Snorkel Air Intake	Std

Transmission:

Transmission Type	Manual / Automatic Clutch
Number Of Speeds	5
Primary drive front	Shaft
Primary Drive (Engine / Transmission)	Belt
Reverse	+
High low range selector	–

Wheels & Tires: Front (F), Rear (R):

Rims material	Steel
F Tire Diameter	25
R Tire Diameter	25
Chromed	–
F Tire Width	8
F Wheel Diameter	12
R Tire Width	10
R Wheel Diameter	12
F Tire Brand	AT25 x 8 – 12 ITP Mud Lite
R Tire Brand	AT25 x 10 – 12 ITP Mud Lite

Brakes:

Front	Dual Hydraulic Disc Brake
Rear	Sealed Oil Bath
Engine Braking	Std

Suspension: Front (F), Rear (R):

ATV F suspension system	Independent Double Wishbone
F Travel (millimeters/inches)	5.8 / 147.3
Front Adjustable Fork Pre-Load	+
Front Adjustable Rebound Damping	–
Front Central Suspension Strut	–
Steering Damper	–
F Stabilizer Bar	–
ATV R suspension system	Independent Double Wishbone
R Travel (inches/millimeters)	7.6 / 193
Rear Adjustable Shock / Spring Pre-Load	+
Rear Adjustable Rebound Damping	–
ATV R shock absorbers	2
Rear Suspension Material	Steel
R Stabilizer Bar	–
Air Adjustable	–

Steering:

Steering system	Manual
Steering controller	Handlebar

Technical Specifications:

Overall length (foot)	6.62
Overall width (inches/millimeters)	43.9 / 1115.1
Overall heigth (inches/millimeters)	46.7 / 1186.2
Wheelbase (in/mm)	48.4 / 1229.4
Turning Radius (ft)	10.5
Ground Clearance (in/mm)	10.5 / 266.7
Length (foot/foot)	6
Length (foot/inches)	7.4
ATV wet weight (pounds/kilograms)	628 / 284.9
Towing Capacity (lbs/kgs)	1102 / 499.9
Fuel tank capacity (gallons/liters)	4 / 15.1
Performance	Std

Seats:

Seat Type	One-Piece
Seat adjusting system	–
Material	Vinyl
Seat Location	Driver
Folding seat	–
Seat Height (in/mm)	35.2 / 894.1
ATV seats	1

Exterior:

ATV frame material	Steel
Basic outside panels material	Plastic
Floor Board Location	Driver
ATV handlebar grips	Std
Foot Peg Location	Driver
BrushGuard	+
Radiator Guard	–
CV Boot Cover	+
Shock Cover	–
Front Fender	Std
Rear Fender	Std
Hand grips	Std
Front Bumper	Std
A-Arm Skid Plate (Front/Rear)	Yes / No
Bash Plate (Front/Rear)	Yes / Yes
SwingArm Skid Plate	–

Instrumentation:

Odometer	Std
Speedometer	Std
Over temperature indicator	Light
Low fuel level indicator	Gauge

Pricing:

Basic warranty (Mo./Condition)	6 / Limited
Battery Warranty (Mo.)	0

Identification:

ATV Type	Utility
Made in	Japan
Minimum manufacturer age recommended	16
Parent Company	Yamaha
Full name	Big Bear 400 4X4 IRS

Mounts:

Winch Mount

Std

Drive Line:

Driveline Brand	On-Command™
Driveline Type	Selectable 4X2 / 4X4
Number Of Driveline Modes	2
Rear Unlocking Differential	–
Rear Solid Axle	–
Differential Lock Location	Front

Towing & Hauling:

Tongue Weight (lbs/kgs)	900 / 408.2
Rear Hitch Type	Std

Convenience:

Power Outlet

Std

Storage:

Underseat Storage	Std
Capacity (lbs/kgs)	88 / 39.9

Lights:

Headlight Mounts	Std
Halogen Headlight (s)	Std
Headlight (s)	Std
Type	Halogen

Paint & Finish:

Metallic color

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