The Yamaha Grizzly 450 is the middle-tier member of Yamaha’s Grizzly family. While it doesn’t come with the simplicity of the entry models or the high-end specs of the top-of-the-line versions, it does offer a variety of features that has made a proven commodity.

The Grizzly 700-inspired front-end styling boasts plenty of unique details, including a convenient water-resistant storage compartment on the front fender. There are also steel cargo racks with a special paint finish that features a combined cargo capacity of 264 pounds; a large-capacity, 4-gallon fuel tank with a built-in gauge and easy-to-reach petcock valve; wide, fully integrated floorboards to keep riders’ feet dry and feature serrated footpegs for extra grip in wet conditions; large front and rear fenders with inner guards that offer excellent mud/splash protection; and, dual, bright multireflector 30-watt Krypton bulb headlights with high and low beams.

The engine is a 421cc, 4-stroke, liquid-cooled single engine that comes with a semi-oval slide 33mm BSR Mikuni carburetor and a high-output DC-CDI ignition system that delivers tremendous throttle response and engine performance across the board. The whole technical set-up also includes a large-capacity aluminum radiator that provides maximum cooling
efficiency, a stainless steel muffler and header design that has superior
power characteristics, exhaust sound and durability, and a specially-designed drive system air intake vent that helps prevent overheating and keeps water and mud from entering drive case.

As far as handling is concerned, the Grizzly 450 has a lightweight chassis that has outstanding durability with superior rigidity for class-leading agility and handling. This is complimented by a fully independent four-wheel double-wishbone suspension that features a suspension on the front and rear, delivering 6.3" and 7.1" of travel, respectively. Large-diameter ventilated hydraulic front disc brakes deliver tremendous stopping power to round out the set-up of the sturdy Yamaha ATV.

Find out more about the Yamaha Grizzly 450 after the jump.

  • 2012 Yamaha Grizzly 450 Auto. 4x4 EPS
  • Year:
    2012
  • Make:
  • Model:
  • Engine:
    4-stroke, liquid-cooled single engine
  • Displacement:
    421 L

Engine

2012 Yamaha Grizzly 450 Auto. 4x4 EPS High Resolution Exterior
- image 421781
  • 421cc liquid-cooled, SOHC four-stroke single is rugged

and powerful.

  • Electric Power Steering system lightens steering for superior

comfort and less rider fatigue.

  • 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.
  • 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.

  • 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 and Suspension:

2012 Yamaha Grizzly 450 Auto. 4x4 EPS High Resolution Exterior
- image 421796
  • 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 doublewishbone

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:

2012 Yamaha Grizzly 450 Auto. 4x4 EPS High Resolution Exterior
- image 421782
  • 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, 4-gallon fuel tank has a built-in gauge and easyto-

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 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.

  • Assembled in Newnan, GA, U.S.A.

Specifications

2012 Yamaha Grizzly 450 Auto. 4x4 EPS High Resolution Exterior
- image 421784
Model YFM45FGPBL; YFM45FGPBG; YFM45FGPHB
Engine Type 421cc, 4-stroke, liquid-cooled single; SOHC
Bore x Stroke 84.5 x 75.0mm
Compression Ratio 10.0:1
Fuel Delivery Mikuni 33mm BSR
Ignition DC-CDI
Starting System Electric
Transmission Yamaha Ultramatic V-belt with
all-wheel engine braking; H, L, N, R, P
Drive Train Yamaha On-Command pushbutton;
3-way locking differential; 2WD,
4WD, locked 4WD; shaft drive
Suspension/Front Independent double wishbone;
6.3-in travel
Suspension/Rear Independent double wishbone;
7.1-in travel
Brakes/Front Dual hydraulic disc
Brake/Rear Sealed oil bathed, multi disc
Tire/Front AT25 x 8-12
Tire/Rear AT25 x 10-12
L x W x H 78.5 x 43.0 x 44.1 in
Seat Height 33.1 in
Wheelbase 48.5 in
Turning Radius 118 in
Ground Clearance 10.8 in
Fuel Capacity 4.0 gal
Wet Weight 620 lb
Rack Capacity 88 lb Fr./176 lb Rr.
Towing Capacity 1322 lb
Instrumentation Digital LCD multifunction display:
speedometer, odometer, dual tripmeter,
hour meter, clock, gear position and fuel
gauge
Lighting Dual 30W Krypton multireflector
headlights & 21W/5W brakelight
Color Steel Blue; Hunter Green;
Realtree AP Camouflage
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