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Model Type
Utility
Model Type
-
MSRP
$6,699
MSRP
-
Warranty
6
Warranty
-
Insurance
Insurance
-
Generic Type (Primary)
Utility
Generic Type (Primary)
Utility
Manufacturer Country
Japan
Manufacturer Country
Japan
Introduction Year
2003
Introduction Year
2005
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
16
Parent Company
Yamaha
Parent Company
Yamaha
Display Name
Grizzly 450 Auto 4x4 IRS
Display Name
Big Bear 250
Year
2009
Year
2009
Make
Yamaha
Make
Yamaha
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Liquid / Air
Cooling
Air
Valves
2
Valves
2
Valves Per Cylinder
2
Valves Per Cylinder
2
Valve Configuration
SOHC
Valve Configuration
SOHC
Bore (mm/in)
84.5 / 3.33
Bore (mm/in)
71 / 2.8
Stroke (mm/in)
75 / 2.96
Stroke (mm/in)
-
Displacement (cc/ci)
421 / 25.7
Displacement (cc/ci)
230 / 14
Compression Ratio
10.0:1
Compression Ratio
8.7:1
Starter
Electric / Pull
Starter
Electric / Pull
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas
Carburetion Brand
Mikuni
Carburetion Brand
Mikuni
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetor Size (mm)
33
Carburetor Size (mm)
33
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Speed Governor
No
Speed Governor
No
Engine
-
Engine
Standard
Carburetion
-
Carburetion
Standard
Stroke (in/mm)
-
Stroke (in/mm)
2.29 / 58
Transmission Type
Continuously Variable (CVT)
Transmission Type
Manual / Automatic Clutch
Primary Drive (Front Wheel)
Shaft
Primary Drive (Front Wheel)
-
Primary Drive (Engine / Transmission)
Belt
Primary Drive (Engine / Transmission)
-
Reverse
Yes
Reverse
Yes
Transmission Brand
UltraMatic™
Transmission Brand
-
Hi / Low Range
Yes
Hi / Low Range
No
Transmission
-
Transmission
Standard
Number Of Speeds
-
Number Of Speeds
5
Primary Drive (Rear Wheel)
-
Primary Drive (Rear Wheel)
Shaft
Wheels Composition
Steel
Wheels Composition
-
Tube / Tubeless
Tubeless
Tube / Tubeless
-
Front Tire Diameter (in)
25
Front Tire Diameter (in)
-
Rear Tire Diameter (in)
25
Rear Tire Diameter (in)
-
Chromed
No
Chromed
-
Tire Brand
Maxxis®
Tire Brand
-
Front Tire Width
8
Front Tire Width
-
Front Wheel Diameter
12
Front Wheel Diameter
-
Rear Tire Width
10
Rear Tire Width
-
Rear Wheel Diameter
12
Rear Wheel Diameter
-
Front Tire (Full Spec)
Maxxis® AT25 x 8 - 12
Front Tire (Full Spec)
-
Rear Tire (Full Spec)
Maxxis® AT25 x 10 - 12
Rear Tire (Full Spec)
-
Front Brake Type
Dual Hydraulic Disc
Front Brake Type
Dual Hydraulic Disc
Rear Brake Type
Sealed Drum
Rear Brake Type
Sealed Drum
Engine Braking
Standard
Engine Braking
Standard
Brakes
-
Brakes
Standard
Front Suspension Type
Independent Double Wishbone
Front Suspension Type
McPherson Strut
Front Travel (in/mm)
6.3 / 160
Front Travel (in/mm)
4.9 / 124.5
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Fork Pre-Load
No
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
No
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Steering Damper
No
Steering Damper
No
Front Stabilizer Bar
No
Front Stabilizer Bar
No
Rear Suspension Type
Independent Double Wishbone
Rear Suspension Type
Swing Arm
Rear Travel (in/mm)
7.1 / 180.3
Rear Travel (in/mm)
5.3 / 134.6
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
2
Number Rear Shock Absorbers
1
Rear Suspension Material
Steel
Rear Suspension Material
Steel
Rear Stabilizer Bar
No
Rear Stabilizer Bar
No
Air Adjustable
No
Air Adjustable
No
Steering Type
Manual
Steering Type
Manual
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
6.54
Length (ft)
-
Width (in/mm)
43 / 1092.2
Width (in/mm)
-
Height (in/mm)
44.1 / 1120.1
Height (in/mm)
-
Wheelbase (in/mm)
48.5 / 1231.9
Wheelbase (in/mm)
-
Turning Radius (ft)
9.8
Turning Radius (ft)
-
Ground Clearance (in/mm)
10.8 / 274.3
Ground Clearance (in/mm)
-
Length (ft/ft)
6
Length (ft/ft)
-
Length (ft/in)
6.5
Length (ft/in)
-
Dry Weight (lbs/kg)
590 / 267.6
Dry Weight (lbs/kg)
-
Towing Capacity (lbs/kgs)
1102 / 499.9
Towing Capacity (lbs/kgs)
-
Fuel Capacity (gal/l)
4 / 15.1
Fuel Capacity (gal/l)
-
Engine Displacement to Weight (cc)
0.71
Engine Displacement to Weight (cc)
-
Seat Type
One-Piece
Seat Type
One-Piece
Adjustable
No
Adjustable
No
Seat Material
Vinyl
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver
Folding
No
Folding
No
Seat Height (in/mm)
33.5 / 850.9
Seat Height (in/mm)
30.7 / 779.8
Number Of Seats
1
Number Of Seats
1
Seat Specifications
-
Seat Specifications
Standard
Frame
Steel
Frame
Steel
Body Material
Plastic
Body Material
Plastic
Floor Board Location
Driver
Floor Board Location
Driver
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
-
Brush Guard
Yes
Brush Guard
No
Radiator Guard
No
Radiator Guard
No
CV Boot Cover
Yes
CV Boot Cover
No
Shock Cover
No
Shock Cover
No
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Handlebars
Standard
Handlebars
Standard
Front Bumper
Standard
Front Bumper
Standard
A-Arm Skid Plate (Front/Rear)
Yes / No
A-Arm Skid Plate (Front/Rear)
No / No
Bash Plate (Front/Rear)
Yes / Yes
Bash Plate (Front/Rear)
Yes / No
Swing Arm Skid Plate
No
Swing Arm Skid Plate
No
Full Length Skid Plate
Yes
Full Length Skid Plate
No
Construction
-
Construction
Standard
Floor Boards
-
Floor Boards
Standard
Foot Pegs
-
Foot Pegs
Standard
Handlebar Pads
-
Handlebar Pads
Standard
Exterior Guards
-
Exterior Guards
Standard
Hand Guards
-
Hand Guards
No
Light Guard
-
Light Guard
No
Exterior Covers
-
Exterior Covers
Standard
Rear Bumper
-
Rear Bumper
Standard
Skid Plate
-
Skid Plate
Standard
Digital Instrumentation
Standard
Digital Instrumentation
Optional
Clock
Standard
Clock
-
Trip Odometer
Standard
Trip Odometer
-
Speedometer
Standard
Speedometer
-
Hour Meter
Standard
Hour Meter
Optional
Temperature Warning Type
Gauge
Temperature Warning Type
-
Fuel Level Warning Type
Gauge
Fuel Level Warning Type
-
Tachometer
-
Tachometer
Optional
Service Reminder
-
Service Reminder
Optional
Warranty (Months/Condition)
6 / Limited
Warranty (Months/Condition)
6 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
-
Price
-
Price
Standard
MSRP
-
MSRP
$4,099
Size (in/cm)
2 / 5.1
Size (in/cm)
-
Rear Hitch Type
Receiver
Rear Hitch Type
-
Tow Hook
Standard
Tow Hook
-
Driveline Brand
On-Command™
Driveline Brand
-
Driveline Type
Selectable 4X2 / 4X4
Driveline Type
-
Number Of Driveline Modes
2
Number Of Driveline Modes
-
Rear Unlocking Differential
No
Rear Unlocking Differential
-
Rear Solid Axle
No
Rear Solid Axle
-
Limited Slip Differential Location
Front
Limited Slip Differential Location
-
Differential Lock Location
Front
Differential Lock Location
-
Power Outlet
Standard
Power Outlet
Optional
Underseat Storage
Standard
Underseat Storage
-
Capacity (lbs/kgs)
88 / 39.9
Capacity (lbs/kgs)
99 / 44.9
Fender Storage
-
Fender Storage
Optional
Front Rack
-
Front Rack
Standard
Rear Rack
-
Rear Rack
Standard
Rear Rack Storage
-
Rear Rack Storage
Optional
Storage Cover
-
Storage Cover
Optional
Headlight Mounts
Standard
Headlight Mounts
-
Halogen Headlight (s)
Standard
Halogen Headlight (s)
Standard
Headlight (s)
Standard
Headlight (s)
Standard
Light Type
Halogen
Light Type
-
Type
-
Type
Halogen
Fog Lights
-
Fog Lights
Optional
Paint
Standard
Paint
-
Driveline Type
-
Driveline Type
4X2
Number Of Driveline Modes
-
Number Of Driveline Modes
1
Rear Unlocking Differential
-
Rear Unlocking Differential
No
Rear Solid Axle
-
Rear Solid Axle
Yes
Dimensions
-
Dimensions
Standard
Weight
-
Weight
Standard
Capacities
-
Capacities
Standard
Performance
-
Performance
Standard
Length (in/mm)
-
Length (in/mm)
75.4 / 1915.2
Width (in/mm)
-
Width (in/mm)
40.9 / 1038.9
Height (in/mm)
-
Height (in/mm)
44 / 1117.6
Wheelbase (in/mm)
-
Wheelbase (in/mm)
46.1 / 1170.9
Turning Radius (ft)
-
Turning Radius (ft)
9.5
Ground Clearance (in/mm)
-
Ground Clearance (in/mm)
5.9 / 149.9
Dry Weight (lbs/kg)
-
Dry Weight (lbs/kg)
456 / 206.8
Towing Capacity (lbs/kgs)
-
Towing Capacity (lbs/kgs)
728 / 330.2
Fuel Capacity (gal/l)
-
Fuel Capacity (gal/l)
3.2 / 12.1
Engine Displacement to Weight (cc)
-
Engine Displacement to Weight (cc)
0.5
Wheels
-
Wheels
Standard
Wheels Composition
-
Wheels Composition
Steel
Chromed
-
Chromed
No
Tires
-
Tires
Standard
Tire Brand
-
Tire Brand
Maxxis®
Front Tire Width
-
Front Tire Width
7
Front Wheel Diameter
-
Front Wheel Diameter
10
Rear Tire Width
-
Rear Tire Width
10
Rear Wheel Diameter
-
Rear Wheel Diameter
10
Front Tire Diameter (in)
-
Front Tire Diameter (in)
22
Rear Tire Diameter (in)
-
Rear Tire Diameter (in)
22
Front Tire (Full Spec)
-
Front Tire (Full Spec)
Maxxis® AT22 x 7-10
Rear Tire (Full Spec)
-
Rear Tire (Full Spec)
Maxxis® AT22 x 10-10
Rear Hitch
-
Rear Hitch
Standard
Roller Fairlead
-
Roller Fairlead
Optional
Tongue Weight (lbs/kgs)
-
Tongue Weight (lbs/kgs)
730 / 331.1
Windshield
-
Windshield
Optional
Gun Scabbard Mount
-
Gun Scabbard Mount
Optional
Windshield Mounts
-
Windshield Mounts
Optional
Paint
-
Paint
Standard