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2013 Yamaha Grizzly 550 FI Auto 4x4

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The Yamaha Grizzly 550 FI is a tough and reliable work horse especially developed for the savage terrains and dirty tracks.

At the heart of the ATV lies the largest-in-class 558cc fuel injected engine that is paired with Yamaha’s fully automatic Ultramatic transmission. It’s worthy of being mentioned that the Grizzly 500’s transmission is the most advanced in its class and features an advanced, automatic centrifugal clutch. The Grizzly 550 is also the lightest model in its class and weighs only 648 pounds (wet weight).

For more versatility, the Yamaha Grizzly 550 FI Auto 4x4 gives you the possibility to switch between 2WD, limited-slip 4WD and fully locked differential 4WD.

To be able to deal effortless with any type of terrain, the Yamaha Grizzly 550 FI Auto 4x4 is features double-wishbone suspension for both front and rear axles with five-way preload-adjustable shocks.

Hit the jump for more information on the 2013 Yamaha Grizzly 550 FI Auto 4x4.

Key Features

Yamaha Grizzly 550 FI Auto 4x4
  • The 550cc class leader, with a fully featured package based on its best-selling bigger brother, the Grizzly 700 FI. It boasts a largest-in-class 558cc powerplant, Electric Power Steering and more making it an excellent value.
  • Yamaha Fuel Injection means instantaneous cold starts and optimal performance in nearly any condition, from sea level to 15,000 feet.
  • 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.
  • Three-position On-Command® In/Out 4WD feature lets you switch between 2WD, limited-slip 4WD and fully locked differential 4WD—all with a simple push of a button.
  • Fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear with five-way preload-adjustable shocks for maximum control and comfort over rough terrain. Smoothest-running and -riding Grizzly ever.
  • Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeter, hour meter that counts the engine’s running hours, 4WD status, transmission position, clock and fuel gauge.
  • The Grizzly 550 boasts the lightest weight in its class at only 648 pounds wet weight.

Engine

Yamaha Grizzly 550 FI Auto 4x4
  • This 558cc 4-stroke SOHC 4-valve liquid-cooled engine is derived directly from the industry-leading Grizzly 700 powerplant.
  • Ceramic-composite cylinder liner provides outstanding durability and heat dissipation; 92mm forged piston is light and strong and rides on a carburized chrome-moly connecting rod.
  • Two-lobe overhead cam and a pair of needle-roller rocker arms reduce friction by 50 percent for increased fuel efficiency and torque.
  • Gear-driven crankshaft balancer shaft and 4-position rubber engine mounts reduce vibration.
  • Yamaha Fuel Injection uses a Mikuni® 40mm throttle body and idle speed control valve to provide easy cold starts and flawless fuel delivery in nearly any condition, from below sea level to 15,000 feet.
  • Pushbutton electric start with seven-disc torque-limiting damper assembly to protect the starter motor.
  • Stainless steel exhaust system features aluminum heat shields and a screen-type spark arrestor for great power with minimum noise output.
  • High-capacity radiator with fan motor delivers maximum cooling efficiency and is positioned high in the frame for optimal protection.
  • Five-position shift lever with L, H, N, R and P gates has a light shifting feel with easy engagement, providing positive Ultramatic transmission control.
  • Sealed drive case keeps out water and debris to help increase durability.
  • Oil access cover allows easy access to check oil level.

Chassis and Suspension

Yamaha Grizzly 550 FI Auto 4x4
  • Full-size chassis provides the same high level of comfort enjoyed by Grizzly 700 riders.
  • Front and rear lower A-arm guards offer excellent protection —and Grizzly 550 features WideArc™ front A-arms for outstanding ground clearance that’s 5 inches wider than that provided by ordinary designs.
  • Five-way preload-adjustable shocks provide a comfortable ride, whatever the load or trail conditions.
  • Gas charged rear shocks offer a quality damping feel and excellent performance over a long period of time.
  • CV boots are made of tough polyethylene for more durability than typical rubber boots.
  • Four-wheel hydraulic disc brakes serve up consistent, long-lasting braking power.
  • 5.3-gallon fuel tank is located under the seat for excellent mass centralization and handling; there’s a 4.8-liter water-resistant storage compartment under there, too.
  • 11.8 inches of ground clearance and full-length composite skidplate deliver maximum underbelly protection while enhancing terrainability.
  • 25x8-12 front and 25x10-12 rear Maxxis® tires provide responsive steering and handling and excellent comfort.
  • Direct driveshaft design efficiently transfers power while providing outstanding durability with less vibration.

Additional Features

Yamaha Grizzly 550 FI Auto 4x4
  • Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeter, hour meter that counts the engine’s running hours, 4WD status, transmission position, clock and fuel gauge.
  • Rugged steel cargo racks with special, extra-durable wrinkle paint finish can pack a total of 286 pounds combined (99 front, 187 rear).
  • Fenders have a textured finish that resist scratching and scuffing.
  • Center-mounted, heavy-duty trailer hitch comes standard and can tow more than 1300 pounds.
  • Dual 35-watt multireflector halogen bulb headlights with high/ low beams provide bright illumination for nighttime work or play.
  • Assembled in Newnan, GA, U.S.A.

Specifications

Yamaha Grizzly 550 FI Auto 4x4
Engine Type558cc, 4-stroke, liquid-cooled single; SOHC, 4 valves
Bore x Stroke92.0 x 84.0mm
Compression Ratio9.3:1
Fuel DeliveryYamaha Fuel Injection (YFI), 40mm
IgnitionTCI, 32-bit ECU
Starting SystemElectric
TransmissionYamaha Ultramatic® V-belt with all-wheel engine braking/H, L, N, R, P
Drive TrainYamaha On-Command® pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive
Suspension / FrontIndependent double wishbone; 5-way preload adjustment, 7.1-in travel
Suspension / RearIndependent double wishbone; 5-way preload adjustment, 9.5-in travel
Brakes / FrontDual hydraulic disc
Brakes / RearDual hydraulic disc
Tires / FrontAT25 x 8-12
Tires / RearAT25 x 10-12
L x W x H81.3 x 46.5 x 48.8 in
Seat Height35.6 in
Wheelbase49.2 in
Turning Radius126 in
Ground Clearance10.8 in
Fuel Capacity5.3 gal
Wet Weight648 lb
Rack Capacity99 lb Fr./187 lb Rr.
Towing Capacity1322 lb
InstrumentationDigital LCD multifunction display; speedometer, odometer, dual tripmeter, hour meter, clock, fuel gauge and gear position
LightingDual 35W Halogen multireflector headlights & 21W/5W brakelight
Warranty6 Month (Limited Factory Warranty)
MSRP$8,449


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