2010 Yamaha Grizzly 550 4x4, PICTURES & RICING COMING SOON !!! 2010 Yamaha Grizzly 550 4x4 Key Features: 1 . The 500cc class has a leader, with a fully featured package based on its best-selling bigger brother, the Grizzly 700 FI, with a 558cc powerplant and excellent value. 2 . Yamaha Fuel Injection means instantaneous cold starts and optimal performance in nearly any condition, from below sea level to 15,000 feet. 3 . 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 industry-exclusive all-wheel downhill engine braking in 4WD Diff. Lock mode. 4 . Industry-exclusive, 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. 5 . Fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear for maximum control and comfort over rough terrain. 6 . Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeter, hour meter that counts hours that the engine is running, 4WD status, transmission position, clock and fuel gauge. Features & Benefits Engine: 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 reducefriction 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. 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 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. C
