2009 Yamaha Big Bear 400 4x4 IRS User Ratings
Your complete source for technical specifications and photos of the 2009 Yamaha Big Bear 400 4x4 IRS
2009 Yamaha
Big Bear 400 4x4 IRS
MSRP $6,099
This Yamaha Big Bear 400 IRS has a potent, 386cc air-/oil-cooled, SOHC four-stroke single that delivers reliable, class-leading low-end and midrange power to tackle the hardest chores and toughest trails.
Simple yet powerful 386cc air-/oil-cooled, SOHC engine inhales through a heated, semi-oval slide 33mm BSR Mikuni carburetor for seamless throttle response and excellent all-weather performance.
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