2004 Yamaha Big Bear 400 4×4 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) |
– |
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 |
– |
| Tire Brand |
Dunlop® |
| F Tire Width |
8 |
| F Wheel Diameter |
12 |
| R Tire Width |
10 |
| R Wheel Diameter |
12 |
| F Tire Brand |
AT25 x 8 – 12 |
| R Tire Brand |
AT25 x 10 – 12 |
Brakes:
| Front |
Dual Hydraulic Disc Brake |
| Rear |
Sealed Drum |
Suspension: Front (F), Rear (R):
| ATV F suspension system |
Independent Double Wishbone |
| F Travel (millimeters/inches) |
5.9 / 149.9 |
| Front Adjustable Fork Pre-Load |
+ |
| Front Adjustable Rebound Damping |
– |
| Front Central Suspension Strut |
– |
| Steering Damper |
– |
| F Stabilizer Bar |
– |
| ATV R suspension system |
Swing Arm |
| R Travel (inches/millimeters) |
5.9 / 149.9 |
| Rear Adjustable Shock / Spring Pre-Load |
+ |
| Rear Adjustable Rebound Damping |
– |
| ATV R shock absorbers |
1 |
| Rear Suspension Material |
Steel |
| R Stabilizer Bar |
– |
Steering:
| Steering system |
Manual |
| Steering controller |
Handlebar |
Technical Specifications:
| Overall length (foot) |
6.58 |
| Overall width (inches/millimeters) |
43.7 / 1110 |
| Overall heigth (inches/millimeters) |
46.1 / 1170.9 |
| Wheelbase (in/mm) |
48.4 / 1229.4 |
| Turning Radius (ft) |
10.3 |
| Ground Clearance (in/mm) |
9.7 / 246.4 |
| Length (foot/foot) |
6 |
| Length (foot/inches) |
7 |
| ATV dry weight (pounds/kilograms) |
556 / 252.2 |
| Towing Capacity (lbs/kgs) |
904 / 410.1 |
| Fuel tank capacity (gallons/liters) |
4 / 15.1 |
| Engine Displacement to Weight (cc) |
0.69 |
Seats:
| Seat Type |
One-Piece |
| Seat adjusting system |
– |
| Material |
Vinyl |
| Seat Location |
Driver |
| Folding seat |
– |
| Seat Height (in/mm) |
33.7 / 856 |
| ATV seats |
1 |
Exterior:
| ATV frame material |
Steel |
| Basic outside panels material |
Plastic |
| Floor Board Location |
Driver |
| ATV handlebar grips |
Std |
| Radiator Guard |
– |
| CV Boot Cover |
+ |
| Shock Cover |
– |
| Front Fender |
Std |
| Rear Fender |
Std |
| Hand grips |
Std |
| Front Bumper |
Std |
| A-Arm Skid Plate (Front) |
+ |
| Bash Plate (Front/Rear) |
Yes / Yes |
Instrumentation:
| Odometer |
Std |
| Speedometer |
Std |
| Over temperature indicator |
Light |
| Low fuel level indicator |
Gauge |
Pricing:
| Warranty (Months) |
6 |
| Battery Warranty (Mo.) |
0 |
Identification:
| ATV Type |
Utility |
| Made in |
Japan |
| Minimum manufacturer age recommended |
16 |
| Parent Company |
Yamaha |
| Full name |
Big Bear 400 4×4 |
Towing & Hauling:
Drive Line:
| Driveline Brand |
On-Command™ |
| Driveline Type |
Selectable 4X2 / 4X4 |
| Number Of Driveline Modes |
2 |
| Rear Unlocking Differential |
– |
| Rear Solid Axle |
+ |
Paint & Finish:
Storage:
| Underseat Storage |
Std |
| Capacity (lbs/kgs) |
88 / 39.9 |
Lights:
| Halogen Headlight (s) |
Std |
| Headlight (s) |
Std |
| Type |
Halogen |