2006 Yamaha Big Bear 400 4x4 Quad Specs
The 2006 Yamaha Big Bear 400 4x4 features a 386 cc, 4-stroke, SOHC, air-cooled, single engine with Shaft drive. Below are the complete specifications for this Yamaha quad bike — engine, dimensions, suspension, brakes, wheels and more.
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Engine Spec
| Engine Detail | 386 cc, 4-stroke, SOHC, air-cooled, single |
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| Engine Capacity (cc / Ci ) | 386 cc / 23.6 |
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| Engine Valves | SOHC |
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| Valve Configuration | 2-valves |
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| Total Valves | 2 |
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| Engine Type | 4-stroke |
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| Engine Cooling | air-cooled |
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| Engine Cylinders | single cylinder |
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| Engine Braking | All Wheel |
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| Displacement To Weight CC | 0.69 |
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| Bore Stroke(mm) | 83 mm x 71.5 mm |
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| Bore Stroke(in) | 3.27in. x 2.82 in. |
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| Compression Ratio | 8.6:1 |
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| Fuel System | Mikuni 33mm BSR |
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| Fuel System Brand | Mikuni |
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| Carburetor Size MM | 33 |
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| Carborator Count | 1 |
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| Fuel Type | Petrol |
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| Ignition | DC – CDI Electric/recoil |
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| Speed Governor | No |
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Brakes
| Brakes Front | Dual Hydraulic Discs |
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| Brakes Rear | Single drum |
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Suspension
| Front Suspension | Double wishbone |
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| A-Arm Skid Plate (Front) | Yes |
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| Suspension - Front Travel (mm / in.) | 149.9 / 5.9 |
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| Front Adjustable Fork Pre-Load | Yes |
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| Front Adjustable Rebound Damping | No |
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| Suspension Rear | Monocross |
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| Suspension Rear - Material | Steel |
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| Rear Travel (mm / in.) | 149.9 / 5.9 |
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| Rear Adjustable Rebound Damping | No |
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| Rear Adjustable Shock Spring Pre-Load | Yes |
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| Number of Rear Shock Absorbers | 1 |
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| Air Adjustable | No |
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Dimensions and Weight
| Length (mm / in.) | 1956 / 77 |
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| Width (mm / in.) | 1155 / 45.5 |
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| Height (mm / in.) | 1144 / 45 |
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| Ground Clearance (mm / in.) | 246.4 / 9.7 |
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| Wheelbase (mm / in.) | 1229.4 / 48.4 |
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| Dry Weight (Kg / Lbs.) | 252.2 / 556 |
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Transmission (Gearbox) and Final Drive
| Transmission | 10 forward, 1 reverse (semi automatic dual range) |
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| Final Drive | Shaft |
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| Drive line Modes | 2 |
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| Primary Drive Engine / Transmission | Belt |
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| Primary Drive - Front Wheels | Shaft |
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| Driveline Make | On-Command |
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| Hi / Low Range | No |
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| Number Of Speeds | 5 |
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| Reverse | Yes |
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Tires and Rims
| Tire Make | Maxxis |
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| Tires Front | AT25 x 8-12 |
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| Front Tire Diameter (in) | 25 |
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| Front Tire Width (in) | 8 |
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| Front Rim Diameter (in) | 12 |
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| Tires Rear | AT25 x 10-12 |
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| Rear Tire Diameter (in) | 25 |
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| Rear Tire Width (in) | 10 |
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| Rear Rim Diameter (in) | 12 |
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| Rim Material | Steel |
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| Rear Solid Axle | Yes |
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Fuel
| Fuel Tank Capacity (l / gal.) | 13.5 / 3.6 |
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Storage
| Storage Capacity (Kg / Lbs.) | 39.9 / 88 |
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| Underseat Storage | Standard |
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Seats
| Seat Height (mm / in.) | 856 / 33.7 |
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| Number Of Seats | 1 |
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| Seat Location | Driver |
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| Seat Material | Vinyl |
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| Seat Type | One-Piece |
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| Seat Adjustable | No |
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Towing
| Rear Hitch | Standard |
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| Towing Capacity (Kg / Lbs.) | 410.1 / 904 |
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Instrumentation
| Instumentation | Speedometer / Odometer & Fuel Gauge |
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| Trip Odometer | Standard |
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| Fuel Level Warning Type | Gauge |
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| Speedometer | Standard |
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| Temperature Warning Type | Light |
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Lighting
| Lighting | Dual 30W Krypton Multi-reflector Headlights & 21/5W Brake light |
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| Headlights | Standard |
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| Halogen Headlights | Standard |
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Exterior - Safety and Design
| Bash Plate (Front) | Yes |
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| Bash Plate (Rear) | Yes |
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| Body Material | Plastic |
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| CV Boot Cover | Yes |
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| Floor Board Location | Driver |
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| Folding Foot Pegs | No |
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| Frame | Steel |
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| Front Bumper | Standard |
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| Front Fender | Standard |
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| Front Stabilizer Bar | No |
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| Hand Grips | Standard |
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| Power Outlet | Standard |
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| Radiator Guard | No |
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| Rear Fender | Standard |
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| Rear Stabilizer Bar | No |
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| Shock Cover | No |
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Steering
| Steering Type | Manual |
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| Turning Circle | 118 in |
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Performance
| Torque (Nm) | 2.99 kg-m @ 5000 rpm |
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Manufacturer and Warranty
| Manufacturer Country | Japan |
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| Recommend Minimum Age | 16 |
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| Parent Company | Yamaha |
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| Warranty Info | 6 Month (Limited Factory Warranty) |
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2006 Yamaha Big Bear 400 4x4 — Frequently Asked Questions
What engine does the 2006 Yamaha Big Bear 400 4x4 have?
The 2006 Yamaha Big Bear 400 4x4 is powered by a 386cc 4-stroke engine that is air-cooled.
What transmission and drive does the 2006 Yamaha Big Bear 400 4x4 have?
The 2006 Yamaha Big Bear 400 4x4 uses a 10 forward, 1 reverse (semi automatic dual range) transmission with 2 drive.
How much does the 2006 Yamaha Big Bear 400 4x4 weigh?
The 2006 Yamaha Big Bear 400 4x4 has a dry weight of approximately 252.2 kg. Note that dry weight excludes fuel, oil and rider — add roughly 15–20 kg for a full tank of fuel.
What can the 2006 Yamaha Big Bear 400 4x4 tow?
The 2006 Yamaha Big Bear 400 4x4 has a rated towing capacity of around 410.1 kg, making it suited to farm, game-reserve and utility work.
What brakes does the 2006 Yamaha Big Bear 400 4x4 have?
The 2006 Yamaha Big Bear 400 4x4 is fitted with dual hydraulic discs brakes at the front and single drum brakes at the rear.
What is the seat height of the 2006 Yamaha Big Bear 400 4x4?
The 2006 Yamaha Big Bear 400 4x4 has a seat height of about 856 mm, which is typical for a utility ATV.
How big is the 2006 Yamaha Big Bear 400 4x4 fuel tank?
The 2006 Yamaha Big Bear 400 4x4 holds approximately 13.5 litres of fuel. This is adequate for most day rides and farm use.
What age is the 2006 Yamaha Big Bear 400 4x4 suitable for?
The manufacturer recommends the 2006 Yamaha Big Bear 400 4x4 for riders aged 16 and older. Adult supervision is advised for young riders.
Where is the 2006 Yamaha Big Bear 400 4x4 made?
The 2006 Yamaha Big Bear 400 4x4 is manufactured in Japan.
Is the 2006 Yamaha Big Bear 400 4x4 available in South Africa?
Yamaha quad bikes and ATVs are sold through dealers across South Africa, though availability of specific model years varies. Check with your nearest Yamaha dealer for current stock, pricing and spares.