Features Specifications: 2008 Grizzly 660 4x4 ATV  Detailed Product Description  Specifications  ENGINE  Engine Type 421cc, 4-stroke, liquid-cooled single; SOHC  Bore x Stroke 84.5mm x 75.0mm  Compression Ratio 10.0:1  Carburetion Mikuni 33mm BSR  Ignition DC-CDI  Starting System Electric w/auxiliary pull  Transmission Yamaha Ultramatic V-belt with all-wheel engine braking/H,L,N,R,P  Engine Braking All wheel  Drive Train Yamaha On-Command pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive  CHASSIS  Suspension/Front Independent double wishbone; 5-way preload adjustment, 6.3-in travel  Suspension/Rear Independent double wishbone; 5-way preload adjustment, 7.1-in travel  Brakes/Front Dual hydraulic discs  Brakes/Rear Sealed wet brake  Tires/Front AT25x8-12  Tires/Rear AT25x10-12  DIMENSIONS  L x W x H 78.5 x 43.0 x 44.1 in  Seat Height 32.7 in  Wheelbase 48.5 in  Turning Radius 118 in  Ground Clearance 10.8 in  Fuel Capacity 4.0 gal  Dry Weight 593 lb  Rack Capacity 88 lb Fr./176 lb Rr.  Towing Capacity 1,102 lb w/2 in receiver hitch  OTHERS  Instrumentation Digital LCD multifunction display: speedometer, odometer, dual tripmeter, hourmeter, clock, gear position  Lighting Dual 30W Krypton multi-reflector headlights & 21W/5W brakelight