REAR BOX WITH BACK REST FOR PASSENGER, RACKS, 4X4,
2011 Yamaha Grizzly 550 4x4Key Features May Include
The 550cc class has a leader, with a fully featured package based on its best-selling bigger brother, the Grizzly 700 FI, with a largest- in-class 558cc powerplant and excellent value.
Steel Blue model includes cast aluminum wheels.
Yamaha Fuel Injection means instantaneous cold starts and optimal performance in nearly any condition, from below sea level to 15,000 feet.
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 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 4WDall 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.
Features & BenefitsEngine
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.
The cylinder head has been optimized to deliver excellent throttle response and low-end power, roller-bearing rocker arms to reduce friction for fuel efficiency and torque.
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 aluminum 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.
Override button allows engine to make maximum rpm in full Diff. Lock mode.
Electronic servo-activated 2WD/4WD/Diff. Lock via the On-Command system.
Sealed drive case keeps out water and debris to help increase durability.
Chassis/Suspension
Full-size chassis provides the same high level of comfort enjoyed by Grizzly 700 riders.
Front and rear lower A-arm guards offer excellent protectionand Grizzly 550 features WideArc front A-arms for outstanding ground clearance thats 5 inches wider than that provided by ordinary designs.
Five-way preload-adjustable shocks provide a comfortable ride, whatever the load or trail conditions.
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.