• The largest engine and only 600 lbs gives the Grizzly 660 the best power to weight ratio of any sport utility model in the industry.
• All-new liquid-cooled, 660cc, 4-stroke single — the largest ever used in a utility ATV — features the same hard-hitting 5-valve cylinder head tech found on the ultra-sport 660R Raptor.
• All-new 3-position On-Command™ In/Out 4WD feature lets you switch between 2WD, limited-slip 4WD and fully locked differential 4WD — all with the simple push of a button.
• Low-maintenance front shaft drive features an all-new gear case and electronic servo-activated 2WD/4WD/Diff-lock via the On-Command™ system.
• Direct rear shaft drive eliminates the U-joint for greater durability and more efficient power transfer at all RPM.
• All-new, fully independent 4-wheel suspension features a double wishbone system front and rear delivering 7.1" and 9.5" of travel, respectively, with 5-way preload-adjustable shocks to ensure maximum tire contact — and comfort — while navigating rough, uneven terrain.
• Large-diameter ventilated hydraulic front disc brakes and a new-design, shaft-mounted hydraulic rear disc system (including 4-piston caliper) ensure outstanding stopping power in a variety of conditions.
• Trick new digital instrument panel boasts multi-function, LCD display with speedometer, odometer, dual tripmeters, hour meter, clock, fuel gauge, 4WD status, and transmission position.

Engine:

• Compact engine design features a 45° cylinder angle for maximum ground clearance and lower seat height for quick steering and maneuverability.
• Gear-driven crankshaft balancer shaft and rubber-damper engine mounts reduce vibration.
• 42mm BSR Mikuni CV carburetor and high-output DC-CDI ignition system ensure incredible throttle response and engine performance.
• Push-button electric starting backed up by auxiliary recoil starter with an auto decompression cam for "easy-pull" convenience.
• Exclusive, fully automatic Ultramatic™ transmission is the most advanced drive system in ATV-ing with industry-leading all-wheel engine braking.
• Automatic centrifugal and one-way sprag clutch help ensure constant belt tension for superior no-slip performance and reduced belt wear.
• Dual-range (Hi/Lo) drive with reverse and transmission-lock parking brake taps into more pulling power in low and more performance in high than any machine in its class.*
• Left-side-mounted dual-range (Hi/Lo/N/R/Pk) shift lever keeps throttle hand free while shifting.
• Sealed drive case keeps out water and debris to minimize belt slippage.
• Tool-free belt drain for easy water removal.
• Specially designed full stainless steel exhaust system features aluminum heat shields and an all-new screen-type spark arrestor for superb power characteristics with minimum noise output.
• Large-capacity aluminum radiator with fan-assist delivers maximum cooling efficiency and is positioned high in the frame for optimal protection.
• Specially designed drive system air intake vent prevents overheating and keeps water and mud from entering drive case.
• Easy-access, tool-free air filter box.
• Automatic cam chain tensioner reduces engine maintenance and helps extend engine life.

Chassis/Suspension:

• All-new CAD-designed steel frame is lightweight and features outstanding durability with superior rigidity for superb handling.
• Light, responsive steering and a class-leading turning radius combine for increased comfort and incredible maneuverability — even in 4WD.
• 34.6" seat height creates a low center of gravity for improved handling and maneuverability.
• 11.8" of ground clearance and full-length composite skid plate deliver maximum underbelly protection while enhancing terrainability.
• New-design 25 x 8-12 front and 25 x 10-12 rear tires on all-new, lightweight aluminum wheels further boost ground clearance while reducing unsprung weight for lighter, more responsive steering and handling.

• Rugged steel cargo racks with special, extra-durable crinkle paint finish can pack a total of 286 pounds combined (99 front, 187 rear).
• Center-mounted, heavy-duty trailer hitch comes standard and can tow over 1200 pounds.
• Heavy-duty front bumper and CV joint guards protect against rock and debris damage.
• Wide, fully integrated floorboards feature serrated footpegs for extra grip in wet conditions.
• Large, specially designed seat is extra plush and widely contoured for all-day rider comfort.
• Huge front and rear fenders with inner guards offer excellent mud/splash protection.
• All-new dual 30-watt multi-reflector Krypton bulb headlights with high/low beams feature stylishly sleek cat-eye design.
• Handy, 12-liter underseat storage box.
• Large, 5.3-gallon fuel tank features an electronic, bar-type gauge and easy-access petcock.
• Convenient, water-resistant 12-volt DC power outlet handles a wide range of accessories.
• Maintenance-free 18-amp-hour battery provides extra starting power, even in cold weather.
• Underseat marine-spec electrical components ensure maximum protection from the elements.
• Easy-to-use , handlebar-mounted choke lever.