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Standard Features
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The Grizzly 450 tackles tough terrain and even tougher chores with a host of Yamaha exclusive features including fully automatic Ultramatic transmission, On Command 2WD/4WD with Diff Lock, rear sealed wet brake and more, all in a great handling package.


Model Year
Grizzly 450 Auto. 4x4


78.5 in.
44.1 in.
43 in.
Wet: 606 lbs.
Ground Clearance
10.8 in.
48.5 in.
Turning Radius
118 in.
Seat Height
33.1 in.


4-stroke, single, SOHC
421 cc
Bore x Stroke
84.5 x 75 mm
Compression Ratio
Mikuni® 33 mm BSR
Fuel Tank Capacity
4 gal.


Yamaha Ultramatic® V-belt with all-wheel engine braking / Hi, Lo, Neutral, Reverse, Park
Drive System
Yamaha On-Command® push-button; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft


Front: Dual hydraulic discs
Rear: Sealed oil bathed, multi-disc
Front: AT25 x 8-12
Rear: AT25 x 10-12


(2) 30W krypton multi-reflector headlights and 21W / 5W brakelight
Digital LCD Multi-function Display: Speedometer, odometer, dual trip meter, hour meter, clock, gear position and fuel gauge


Front: Independent double wishbone; 6.3 in. travel
Rear: Independent double wishbone; 7.1 in. travel
Load Capacity
Front: 88 lbs.
Rear: 176 lbs.
Towing Capacity
1,322 lbs.


Hunter Green, Steel Blue, Realtree® AP™ HD® Camouflage (see Options for color pricing)

Standard Features

Key Features
 Grizzly 450 Automatic 4x4 has many of the same great features as big brothers Grizzly 700 and 550, including four-wheel independent suspension, and it’s powered by a fuel-efficient, liquid-cooled engine.  
 Industry-exclusive, fully automatic Ultramatic® transmission is the most advanced drive system in ATVs. An automatic centrifugal clutch maintains constant belt tension for reduced belt wear and uses a sprag clutch for all-wheel downhill engine braking in 4WD mode and reverse.  
 Three-position On-Command® In / Out 4WD feature lets you switch between 2WD, limited-slip 4WD and a fully locked differential 4WD—all with the simple push of a button. Override button allows engine to make maximum rpm in full Diff. Lock mode.  
 Fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear.  
 Ground clearance of 10.8 inches and a composite plastic skidplate provide terrainability and undercarriage protection.  
 Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeter, hour meter, 4WD status, transmission position and clock.  
 Rear wet brake is a multi-disc system running in gear oil inside a sealed unit. This keeps out the elements (such as mud and water) while providing powerful, consistent stopping power and greatly reduced maintenance.  
 421 cc liquid-cooled, SOHC four-stroke single is rugged and powerful.  
 Semi-oval slide 33 mm BSR Mikuni® carburetor and high-output DC-CDI ignition deliver fantastic throttle response and engine performance at all rpm.  
 Pushbutton electric starting.  
 Stainless steel muffler and header design provides superior power characteristics, exhaust sound and durability.  
 Left-side–mounted (Hi/Lo/N/R/P) shift lever is easily accessible.  
 Large-capacity radiator provides maximum cooling efficiency and is positioned high in frame for optimal protection.  
 Compact engine design features a 45-degree cylinder angle for maximum ground clearance and lower seat height for quick, responsive steering and agility.  
 Gear-driven crankshaft balancer and rubber-damper engine mounts reduce vibration.  
 Specially designed drive system air intake vent helps prevent overheating and keeps water and mud from entering drive case.  
 Tool-free air filter box for easy access and quick maintenance.  
Chassis / Suspension
 Lightweight chassis features outstanding durability with superior rigidity for class-leading agility and handling.  
 Light steering and a class-leading turning radius combine for increased comfort and incredible maneuverability—even in 4WD.  
 Fully independent four-wheel suspension features a double wishbone suspension front and rear delivering 6.3 inches and 7.1 inches of travel.  
 Using a newly-designed multi-disc system running in gear oil, the sealed rear wet brake combines strong, consistent stopping power and greatly reduced maintenance requirements.  
 Large-diameter ventilated hydraulic front disc brakes deliver tremendous stopping power in a variety of conditions.  
 Direct front shaft drive eliminates U-joint for greater durability and more efficient power transfer when engaged in 4WD.  
 Heavy-duty composite front carry bar and CV joint guards help prevent damage to boot covers and won’t dent or rust.  
Additional Features
 Grizzly 700-inspired front-end styling boasts convenient water-resistant storage compartment on the front fender.  
 The water-resistant DC outlet is located to the side of the multifunction instrument panel for convenient access; automotive style receptacle handles a wide range of accessories.  
 Steel cargo racks with special, extra-durable wrinkle paint finish feature a combined cargo capacity of 264 pounds (88 front, 176 rear).  
 Available in Realtree® AP™ camouflage with a water-dipped process for durability.  
 Large-capacity, four-gallon fuel tank has a built-in gauge and easy-to-reach petcock valve.  
 Water-resistant, large-capacity underseat storage box provides added convenience.  
 Wide, fully integrated floorboards keep rider’s feet dry and feature serrated floorboards for extra grip in wet conditions.  
 Large front and rear fenders with inner guards offer excellent mud / splash protection.  
 Easy-access, underseat marine-spec electrical components ensure maximum protection from the elements.  
 Dual, bright multi-reflector 30-watt Krypton bulb headlights with high and low beams; rear brake light.  
 Assembled in Newnan, GA, U.S.A.  


 Color Options
 Hunter Green $6,399  
 Steel Blue $6,399  
 Realtree AP HD Camouflage $6,749  


Hunter Green

Steel Blue

Realtree AP HD Camouflage

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.

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