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2009 Arctic Cat 550 H1 EFI
Boredom Has No Chance

550 H1 EFI Camo

550 H1 EFI Lime

550 H1 EFI Marsh


550 H1 EFI Red |
When you own the all-new 550 H1, “How was
your weekend?” will seem like the dumbest
question ever. That’s because the
550H1 has a taste for adventure and a thirst for
adrenaline.
In 2006 Arctic Cat introduced the first
Arctic Cat-built and designed Hemi motor, the
650 H1. Since its introduction, the 650
H1 has proven itself for two consecutive years
as a championship winning powerhouse in the
World Powersports Association
Quad Terrain racing series. This real world test
showed the world that this motor is durable in
stock trim, worthy of being
deemed, “Race Ready”.
Fast forward to 2009 and another H1 evolution
of hemi-producing power has arrived with EFI. As
you can imagine, the new
550 H1 EFI has a powerful 545cc, SOHC,
single-cylinder, liquid-cooled engine, designed
for a wide torque curve with the
smoothest power delivery via Electronic Fuel
Injection. Cold weather starting and altitude
changes are no longer questionable.
The H1’s Performance Chassis
To start with, the seat has been redesigned
and lowered over an inch, combined with a new
handlebar design. These changes
seem minimal, but once you sit down, you
definitely get the feeling of riding “In” the
machine instead of “On” it.
The stance and suspension were race-bred and
performance-calibrated with additional ride-in.
What is ride-in? When you sit on
the 550 H1, it will squat roughly 2 inches
(depending on rider size) while maintaining
Arctic Cat’s class leading 11” of ground
clearance and 10” of suspension travel. The
lower ride height and center of gravity inspire
riding confidence in aggressive
cornering and high speed handling.
Going from 2WD to 4WD is as simple as
pressing a shift button, while activating the
front diff-lock is as easy as pushing the
all-new electronic rocker switch button located
on the instrument pod. A 2-in. “automotive
style” receiver hitch, long-range
6.5-gallon fuel tank, digital instrument pod
(MPH, odometer, dual trip meters, hour meter,
clock and fuel level) and
Start-In-Gear capability complete the package.
From the front headlights to the rear brake
lights, the 550 H1 screams show as well as go.
Extra wide fenders add protection
on muddy trails. A latch on the seat allows
quick access to the handy tool tray below.
Arctic Cat puts the power to the trails
with a fully-independent front and rear double
A-arm suspension. Equipped with preload
adjustable shocks which, coupled with
a full-length skid plate, gives riders the
confidence needed to venture almost anywhere,
over any obstacle.
The SpeedRacks have a slim, body-hugging
appearance with 100/200-lb. rack capacities
front/rear. To cap off the entire
package, the 550 H1 is rolling on 12” steel
wheels wrapped with aggressive 25” Dunlop
Quadmax tires.
Get out there on an Arctic Cat Hemi H1. Monotony
has never faced such potent adversaries.

550 H1 EFI Bottom

550 H1 EFI Rear |
Key Buying Points
- The H1 revolution of
hemi-producing power has
arrived in the 500 class with
EFI. As you can imagine, the
550 H1 EFI has a powerful
545cc, SOHC,
single-cylinder, liquid-cooled
engine, designed for a wide
torque curve with the
smoothest power delivery via
Electronic Fuel Injection. 550
H1 motor has a 10%
increase of power at a lower
RPM versus the 500 and a
25% gain in torque.
- The stance and suspension
were race-bred and
performance-calibrated with
additional ride-in. What is
ride-in? When you sit on the
550H1, it will squat roughly
2 inches (depending on rider
size) while maintaining Arctic
Cat’s class leading 11” of
ground clearance and 10” of
suspension travel. The lower
ride height and center of
gravity inspire riding
confidence in aggressive
cornering and high speed
handling
- Going from 2WD to 4WD is
as simple as pressing a shift
button, while activating the
front diff-lock is as easy as
pushing the all-new
electronic rocker switch
button located on the
instrument pod. A 2-in.
“automotive style” receiver
hitch, long-range 6.5-gallon
fuel tank, digital instrument
pod (MPH, odometer, dual
trip meters, hour meter,
clock and fuel level) and
Start-In-Gear capability
complete the package.
- Advantage® MAX-4 Camo
was designed to give hunters
maximum effectiveness in
open terrain. The pattern
incorporates cattails, millet,
milo, corn stalks, dead
sunflowers, oak and maple
leaves, cedar and oak limbs,
plus a variety of other plant
life into the largest
camouflage artwork on the
market. It melts into
marshes, grasslands,
deserts, croplands - even the
open canopy of a treetop.
It's ideal for deer, turkey,
waterfowl and western big
game hunting.
Features & Benefits
New for 2009
ENGINE:
• 545cc, EFI, SOHC 4-stroke, 4-valve,
single-cylinder, liquid cooled engine
• The “H” in H1 stands for Hemi. The
hemispherical-shaped head creates more complete,
more efficient combustion for
performance-winning
power
• An Arctic Cat produced performance engine
built in the state-of-the-art St. Cloud
manufacturing facility
• Electronic Fuel Injection aids in perfect
starting no matter what altitude or temperature
changes.
• Liquid cooling system with high-capacity
radiator and thermostatically-controlled cooling
fan provides consistent engine operating
temperatures
• The Duramatic Automatic Transmission has a
long-life maintenance-free belt that withstands
the harshest of conditions.
CHASSIS/SUSPENSION:
Improved Rider Input
• 12” steel wheel design has an optimized scrub
radius minimizing the rider steering effort.
Positive Shifting
• A new shift detent profile in the lever
linkage allows for improved positive shifting
Thundercat Halfshafts
• Developed from the Quad Terrain Race circuit,
All new halfshafts (axles) were adopted from the
Thundercat to increase durability and strength
for the most brutal offroad conditions.
New Headlight Bulb Sockets
• The right-hand headlight bulb sockets have
been redesigned to eliminate the bulb popping
out, decreasing the chance of the headlight
housing
filling with moisture.
Fully Independent Suspension (FIS) How it works
with or without a swaybar
• Arctic Cat ATVs have an optional sway bar
available as an accessory purchase through your
authorized dealer. Similar to any off-road 4x4
vehicle, eliminating the sway bar, lets the 10”
of front or rear Fully Independent Suspension
articulate through the full range of suspension
travel.
This increased articulation provides full tire
contact in all types of off-camber terrain. The
addition of the sway bar will impact the
traction
capabilities; however, it will enhance flatter
cornering in aggressive trail riding
Performance Tuned Chassis
• When you sit on the 550 H1 EFI, it will squat
roughly 2 inches (depending on rider size) while
maintaining Arctic Cat’s class leading 11” of
ground clearance and 10” of suspension travel.
This ride-in calibration lowers center of
gravity for precise cornering
Performance Minded Ergonomics
• The seat on the 550 H1 EFI has been redesigned
and lowered approximately one inch to reduce the
riders center of gravity along with giving an
improved sense of sitting “In” the machine
instead of “On” it.
Industry Leading Ground Clearance
• 11” of ground clearance enhances the ability
to navigate through mud or over large rocks,
logs, and other objects encountered in rough
terrain
Large Capacity SpeedRacks
• Industry leading weight capacity and overall
cargo carrying surface area allows 100 lb
carrying capacity on the front rack and 200 lbs.
on the
rear
SpeedRack Technology
• Allows very quick installation and removal of
a wide variety of Arctic Cat exclusive
accessories without the need for tools, bloody
knuckles or
swearing
• SpeedRack and its accessories add value to the
machine and also enhance the efficiency of your
hunting, fishing, farming or utility chores
2-Inch Automotive Style Receiver Hitch
• This feature allows the consumer to remove the
hitch from their 2” automotive receiver and
install it into the ATV’s receiver hitch
(Receiver
Hitch and Ball Standard on LE)
Floating Hydraulic Disc Brakes
• Low maintenance, positive stopping power in
either dry or wet conditions
Adjustable Shocks
• Set the spring preload (5 rear positions, 5
front positions) on the shocks to tailor the
ride to individual riding styles, terrains and
loads
Electric Shift 2-to 4-Wheel Drive with new
Electric Front Locking Differential
• Full-lock front differential transfers engine
torque to both front wheels when selected for
added traction with an all new electronic rocker
switch located on the gauge pod while 4wd/2wd
switch is located on right-side handlebar for
quick, convenient shifting in-and-out of
four-wheel
drive.
ADDITIONAL FEATURES:
LE
• 550 H1 comes in a Limited Edition with all the
great features of the standard model, but
additionally has a 3,000lb Warn Winch, Hand
Warmers, 2” Receiver Hitch w/ball, Cat Black
Metallic Painted bodywork, 12” Aluminum wheels.
Digital Instrument Pod
• Displays up to 14 critical operation
information indicators including: clock/hour
meter, fuel level, mode button, set/reset
button, odometer/trip,
gear position, speedometer/tachometer, needle
display, differential lock, drive select, high
beam, battery condition, temperature and oil
pressure
Tires
• The newly developed Dunlop Quadmax is standard
on all Arctic Cat ATVs. (25x8-12 front, 25x10-12
rear)
Color Options
• Green, Max 4 Camo, Lime, Red, Cat Black
Metallic (LE)
AVAILABLE ACCESSORIES:
Please log on to www.arcticcat.com or browse the
2009 Arcticwear and Accessories brochure at you
nearest Arctic Cat dealer.
Specifications
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