Detailed Description  ENGINE 4-stroke, SOHC, 2-valves  DISPLACEMENT 421 cc  BORE X STROKE 84.5 x 75 mm  COMPRESSION RATIO 10:1  CARBURETION Mikuni® 33 mm BSR  COOLING Liquid  STARTER Electric  TRANSMISSION Yamaha Ultramatic® V-belt / Forward, Neutral, Reverse  DRIVE SYSTEM 4x4  IGNITION DC-CDI  SUSPENSION  Front: Independent double wishbone; 5-way preload-adjustable shocks; 6.3 in. travel Rear: Swingarm; 5-way preload-adjustable; 7.1 in. travel  BRAKES  Front: Dual hydraulic disc  Rear: Hydraulic disc  TIRES  Front: AT23 x 8-12 radial Rear: AT23 x 10-12 radial  LENGTH 77.9 in.  WIDTH 41.9 in.  HEIGHT 43.1 in.  WHEELBASE 48.5 in.  SEAT HEIGHT 33.1 in.  TURNING RADIUS 118 in.  GROUND CLEARANCE 8.7 in.  DRY WEIGHT 516 lbs.  FUEL CAPACITY 3.8 gal.  TOWING CAPACITY 1,102 lbs.