Highly evolved, 660cc liquid-cooled,
four-stroke five-valve engine and light weight
add up to one of the best power-to-weight
ratios of any utility model in the industry.
Industry-exclusive, fully
automatic Ultramatic® transmission is
the most advanced drive system in ATVing.
An automatic centrifugal clutch maintains
constant belt tension for reduced belt wear,
unmatched durability and confident all-wheel
downhill engine braking.
Industry-exclusive three-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.
Fully independent long-travel
four-wheel suspension with five-way preload-adjustable
shocks and 11.8 inches of ground clearance
provide maximum control and comfort over rough
terrain.
Trick digital instrument
panel boasts a multifunction LCD display with
speedometer, odometer, dual tripmeters, hour
meter, 4WD status, transmission position,
clock and fuel gauge.
All-wheel independent suspension,
a thick, cushy seat and light handling make
for a supremely comfortable ride.
Lightweight yet super-strong
CAD-designed steel frame results in the lightest
weight in the class — 600 pounds —
which results in outstanding handling and
performance.
Grizzly
660 4x4 ATV Engine
Yamaha’s patented
five-valve cylinder design produces a potent
combination of low-rev torque, right-now throttle
response and high horsepower.
42mm Mikuni BSR carburetor
and high-output DC-CDI ignition system ensure
incredible throttle response and engine performance.
Pushbutton electric starting
with auxiliary recoil starter and auto decompression
cam for “easy-pull” backup starter
convenience.
Dual-range (Hi/Lo) drive
with reverse taps into massive pulling power
in low and superior performance in high.
Specially designed full stainless
steel exhaust system features aluminum heat
shields and a screen-type spark arrestor for
great power with minimum noise output.
Override button allows engine
to make maximum RPM in full Diff-Lock mode.
Compact engine design features
a 45-degree 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.
Large-capacity aluminum radiator
with fan-assist delivers maximum cooling efficiency
and is positioned high in the frame for optimal
protection.
Low-maintenance front shaft
drive features a gear case and electronic
servo-activated 2WD/4WD/Diff-Lock via the
On-Command system.
Direct rear shaft drive eliminates
the U-joint for great durability and more
efficient power transfer at all RPM.
Sealed drive case keeps out
water and debris to help prevent belt from
slipping.
Easy-access, tool-free air-filter
box.
Grizzly
660 4x4 ATV Chassis/Suspension
Large-diameter ventilated
hydraulic front disc brakes and shaft-mounted
hydraulic rear disc system ensure outstanding
stopping power in a variety of conditions.
Light, responsive steering
and a class-leading turning radius combine
for increased comfort and incredible maneuverability
— even in 4WD.
7.1 inches front suspension
travel and 9.5 inches out back, controlled
by five-way preload adjustable shocks, provide
a controlled, comfortable ride whatever the
load or trail conditions.
11.8 inches of ground clearance
and full-length composite skid plate deliver
maximum underbelly protection while enhancing
terrainability.
34.6-inch seat height creates
a low center of gravity for improved handling
and maneuverability.
25x8-12 front and 25x10-12
rear tires on, lightweight aluminum wheels
further boost ground clearance while reducing
unsprung weight for lighter, more responsive
steering.
Heavy-duty front carry bar
and CV joint guards protect against rock and
debris damage.
Additional
Features
Rugged steel cargo racks
with special, extra-durable wrinkle 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.
Handy, 12-liter underseat
storage box.
Large, 5.3-gallon fuel tank
features an electronic, bar-type gauge and
easy-access petcock.
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.