ATV Source - Manufacturers - Yamaha - 2008 - Grizzly 450 Auto. 4x4 IRS Special Edition

All black with cast aluminum wheels, water dipped body panels, ITP Mud Lite tires and special graphics, set this Special-Edition Grizzly 450 apart from the rest.
Grizzly 450 Automatic 4x4 has the same great features as big brothers Grizzly 660/700, 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 ATV-ing. An automatic centrifugal clutch maintains constant belt tension for reduced belt wear and class-exclusive all-wheel downhill engine braking.
Industry-exclusive three-position On-Command® In/Out 4WD feature lets you switch between 2WD, limited-slip 4WD and class-exclusive 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.
Class-exclusive fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear with ﬁ ve-way preload-adjustable shocks for maximum control and comfort over rough terrain.
10.8 inches of ground clearance and high-impact plastic skid plate improve maneuverability and undercarriage protection.
Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeters, hourmeter, 4WD status, transmission position and clock.

New for 2008:

A multi-disc system running in hydraulic fluid, the sealed rear wet brake combines strong, consistent stopping power with greatly reduced maintenance requirements.
New 2-inch receiver hitch for outstanding towing capability.

Engine:

421cc liquid-cooled, SOHC four-stroke single is rugged and powerful.
Semi-oval slide 33mm BSR Mikuni carburetor and high-output DC-CDI ignition deliver fantastic throttle response and engine performance at all rpm.
Pushbutton electric starting backed up by auxiliary recoil starter.
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 aluminum 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.
Fully sealed drive case keeps out water and debris to minimize belt slippage.
Hand-operated side cover drain keeps belt dry and free from mud and debris.
Specially designed drive system air intake vent prevents overheating and keeps water and mud from entering drive case.
Easy-access, tool-free air filter box.

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, respectively, with five-way preload-adjustable shocks to ensure maximum tire contact—and comfort.
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:

Steel cargo racks with special, extra-durable wrinkle paint finish feature a combined cargo capacity of 264 pounds (88 front, 176 rear).
Available in four colors, including Realtree® AP High Definition™ Camouflage for true hunting performance.
Large-capacity, 4-gallon fuel tank has a built-in gauge and easy-to-reach petcock valve.
Recessed, water-resistant, automotive-type DC power outlet handles wide range of accessories.
Water-resistant, large-capacity underseat storage box provides added convenience.
Plush, specially designed seat is wide and contoured for incomparable rider comfort.
Wide, fully integrated floorboards keep rider’s feet dry and feature serrated footpegs 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 multireflector 30-watt Krypton bulb headlights with high and low beams; rear brake light.
Built in Newnan, GA, USA.

Specifications

Engine

Type 421cc, 4-stroke, liquid-cooled single; SOHC
Bore x Stroke 84.5mm x 75.0mm
Compression Ratio 10.0:1
Carburetion Mikuni 33mm BSR
Ignition DC-CDI
Starting System Electric w/auxiliary pull
Transmission Yamaha Ultramatic® V-belt with all-wheel engine braking/H, L, N, R, P
Engine Braking All wheel
Drive Train Yamaha On-Command® pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive

Chassis

Suspension/Front Independent double wishbone; 5-way preload adjustment, 6.3-in travel
Suspension/Rear Independent double wishbone; 5-way preload adjustment, 7.1-in travel
Brakes/Front Dual hydraulic discs
Brakes/Rear Sealed wet brake
Tires/Front AT25x8-12
Tires/Rear AT25x10-12

Dimensions

Other

Instrumentation Digital LCD multifunction display: speedometer, odometer, dual tripmeter, hourmeter, clock, gear pos
Lighting Dual 30W Krypton multi-reflector headlights & 21W/5W brakelight
Warranty 6 Month (Limited Factory Warranty)

MSRP* $6,899 (Midnight Armor) Available from January 2008


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