2009 Yamaha Grizzly 450 Auto 4x4 IRS User Ratings

Yamaha Grizzly 450 Automatic 4x4 has 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.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 class-exclusive all-wheel downhill engine braking in 4WD mode.