2012 Yamaha Grizzly 450 4x4, 2012 Yamaha Grizzly 450 4x4 Key Features: Grizzly 450 Automatic 4x4 has many of the same great features as big brothers Grizzly 700 and 550, including four-wheel independent suspension, and it s powered by a fuel-efficient, liquid-cooled engine. Almost 20 pounds lighter than previous Grizzly 450 models, providing awesome power-to-weight ratio. 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 a 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. Fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear. Ground clearance of 10.8 inches and a high-impact plastic skidplate provide terrainability and undercarriage protection. Trick digital instrument panel boasts a multifunction LCD display with speedometer, odometer, dual tripmeter, hour meter, 4WD status, transmission position and clock. Rear wet brake is a multi-disc system running in hydraulic fluid inside a sealed unit. This keeps out the elements (such as mud and water) while providing powerful, consistent stopping power and greatly reduced maintenance. Features and benefits Engine: 421cc liquid-cooled, SOHC four-stroke single is ruggedand powerful. Semi-oval slide 33mm BSR Mikuni® carburetor and high-outputDC-CDI ignition deliver fantastic throttle response and engineperformance at all rpm. Pushbutton electric starting. Stainless steel muffler and header design provides superiorpower characteristics, exhaust sound and durability. Left-side mounted (Hi/Lo/N/R/P) shift lever is easily accessible. Large-capacity aluminum radiator provides maximum coolingefficiency and is positioned high in frame for optimal protection. Compact engine design features a 45-degree cylinder angle formaximum ground clearance and lower seat height for quick,responsive steering and agility. Gear-driven crankshaft balancer and rubber-damper enginemounts reduce vibration. Specially designed drive system air intake vent helps preventoverheating and keeps water and mud from entering drive case. Tool-free air filter box for easy access and quick maintenance. Chassis/Suspension: Lightweight chassis features outstanding durability with superiorrigidity for class-leading agility and handling. Light steering and a class-leading turning radius combine forincreased comfort and incredible maneuverability even in 4WD.
