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The QuadSport Z400 was first introduced
in 2002 as a high-performance sport ATV featuring running capability delivered
with it’s liquid-cooled
DOHC engine – the first in its class – and other advanced designs,
along with cutting-edge styling
As soon as it appeared on the market, the QuadSport Z400’s high performance
quickly won wide popularity; the model presented to many customers around the
world the enjoyment of ATV riding, from sport rides to competition use.
The QuadSport Z400 became, at the hands of Team Suzuki/Yoshimura rider Doug
Gust, the first 4-stroke ATV to win the ATVA Pro class championship.
With the introduction of the race-ready QuadRacer R450, the QuadSport Z400
was no longer the top choice as a base machine for competition ATVs; still,
the model continued to win strong support from customers as a user-friendly,
higher performance all-round sport ATV
Now, six years after its debut, the QuadSport Z400 unveils a new form and function
design to bring about exciting evolution in sports ATVs.
While keeping intact it’s basic concept of offering sport ATV riding
enjoyment to a wide range of customers, the latest QuadSport Z400 features
various QuadRacer R450-derived upgrades – fuel injection, ECM settings
for more traction and aggressive styling – for higher performance and
more user convenience.
All-new Suzuki fuel-injection system
features a 36mm throttle body and 12-hole
injector that delivers the fuel/air
mix in an efficient fine-mist spray
pattern
Engine Control Unit uses a 16-bit
CPU and a 96-kilobyte ROM unit. The
system is programmed to obtain improved
traction by selecting the optimum injection
volume, injection timing and ignition
timing based on throttle position,
engine rpm, and other data monitored
New styling reflects the powerful
attitude of the QuadRacer R450, including
the sharp fenders, the overall slim
design and the removable headlight
The chassis's rigidity balance is
changed to improve handling stability,
chassis strength and overall performance,
particularly in rough terrain
Front track is widened by 25mm to
improve overall handling stability
feel
The footpegs are now 46mm wide - same
as the QuadRacer R450
The new 2009 Suzuki QuadSport Z400
is re-engineered for high-performance
off-road four-wheeling with smooth
power-output and throttle response
from Suzuki fuel injection
Engine Features
Compact & lightweight
398cc 4-stroke, single-cylinder,
liquid-cooled Dual
Overhead Cam engine with counter- balancer
tuned for tractable power over a wide
rpm range
Liquid-cooling system with high-capacity
radiator and thermostatically controlled
cooling fan provides consistent engine
operating temperature
Dry-sump lubrication system allows
a compact crankcase and minimal engine
height for optimum engine placement
- oil tank is frame-mounted in front
of the exhaust head pipes
Five-speed transmission with cable-operated
clutch includes an easy-to-use reverse
gear system: turn the fender-mounted
knob and shift to reverse using the
gear shift lever
Convenient electric start system includes
Start-In-Gear feature - electric start
system and CDI ignition are powered
by compact maintenance-free battery
Dual 30/30W, vertically-mounted halogen
headlights provide a bold look and
bright illumination - large 5/21W taillight/brake
light combination
Lightweight, high tensile steel-alloy
frame and removable steel sub-frame,
plus aluminum swingarm
Rear axle shaft taper is changed to
heighten rigidity balance and provide
optimum performance in conjunction
with changes made to front track.
Long-travel, independent double A-arm
front suspension with fully adjustable,
piggyback reservoir-style shock absorbers
- provides 8.5 in. of wheel travel
Linkage-type rear suspension features
fully adjustable, piggyback reservoir-style
shock absorber with 9.1 in. of wheel
travel, plus 10.4 in. of ground clearance
Large 6.9 inch dual front disc brakes
and single 8.6 inch rear disc brake
Front brake lever position adjustment
mechanism is changed to the same system
used on the high-performance QuadRacer
R450, making brake adjustments much
easier.
Lightweight aluminum alloy wheels
(F: 10.0 x 5.5, R: 9.0 x 8.0), and
radial tires (F: 22 x 7-10, R: 20x10-9),
for reduced unsprung weight
Large 2.5-gallon fuel tank with two
mounting points for quick removal and
simplified maintenance
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