Introduction
Pure waterborne fun, Kawasaki Jet Ski style
With a high-performance engine from the legendary Kawasaki Ninja®
motorcycle line as its foundation, the JET SKI® STX®
-15F delivers the kind of performance expected from a Kawasaki
JET SKI watercraft. A smooth spread of power across the entire
rpm range thanks the flat torque curve out of the long-stroke,
1,498cc engine ensures plenty of good times. Dual overhead cams,
four valves per cylinder, fuel injection and electronic engine
control--to harmonize the fuel and ignition systems--provide
maximum performance and reliability. A four-injector fuel injection
system combined with a large 60mm throttle body deliver a quick
response.
High-performance with high standards; the STX-15F has earned
a Three-Star Ultra-Low Emissions rating, meeting the Environmental
Protection Agency's (EPA) strictest standards, as well as the
California Air Resources Board (CARB) standards for 2008. Refined
as it is clean-running, the STX-15F's four-stroke engine is rubber-mounted
in the hull, the performance-tuned exhaust system is water-jacketed,
and it has dual mufflers and a large-capacity airbox.
Propulsion duties are handled by a direct drive axial-flow jet
pump driving an oval-edge, stainless steel, three-blade impeller
and an 82mm jet pump nozzle for powerful acceleration. Tuned
to produce its peak power at a relatively low rpm, the STX-15F
engine matches the impeller's peak efficiency rpm ideally to
provide a rider-friendly propelling performance. This direct
drive arrangement eliminates any need for a complex gear reduction
unit and offers improved durability and increased fuel economy
with less vibration and noise.
The STX-15F features Kawasaki's innovative electronic Smart Learning
Operation (SLO). Accessible directly on the instrument panel,
SLO can be programmed to place a limit on maximum engine speed
so novice riders can experience riding at a reduced speed as
they master proper riding techniques.
Also fitted to every STX-15F is the Kawasaki Smart Steering®
(KSS®). KSS features an on-board microprocessor that is electronically
linked to a steering sensor. When the handlebar is fully turned
in either direction and the engine rpm drops from a designated
rpm-as when the throttle is released at speed-the microprocessor
activates the system, which raises engine rpm to provide enough
thrust to initiate the desired turn.
Aggressive turning and high-speed stability are key performance
attributes of the STX-15F. Its specifically designed injection-molded
sponsons have a special "lip" for increased cornering
grip and high-speed stability. Also incorporated into the hull
design is a molded-in Kawasaki Splash Deflector (KSD) to help
minimize spray on the rider.
While the muscular and aggressive looking STX-15F is lighter
and more compact than the competition, Kawasaki engineers endowed
the JET SKI with a roomy riding position that makes aggressive
performance riding easier and suits a wider range of riders.
Adding to the fresh, high-quality styling of the STX-15F, the
hatch cover is styled from sleek ABS plastic and uses a hydraulic
damper to hold it open, allowing easy access until the rider
closes it. Also made of ABS plastic, the mirrors echo the sleek
lines and are mounted directly to the deck.
The spacious rear deck of the STX-15F makes it easy to get into
water skis or on a wakeboard. An automatically retracting boarding
step located on the rear of the hull simplifies reboarding in
deep water. There is no shortage of space to stow items on the
STX-15F. The rear deck can accommodate items needed for a day
on the water, like a cooler, along with a water-resistant storage
space, an easily accessible glove box and additional room for
gear located under the seat.
Other features include a LCD instrument panel with fuel level,
speed, engine rpm, trip distance and time information available.
Fuel capacity is a generous 16.4 gallons, for extended rides.
Warning lamps alert the rider to a low fuel level or high engine
temperature, and a magnetic keyed ignition switch helps deter
unauthorized operation.
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Features
Engine
- 1,498cc, four-stroke engine provides incredibly strong low-
and mid-range torque
- Intake tract designed for maximum performance
- Digital fuel injection provides great throttle response, smooth
engine performance, quick acceleration, easy starting and excellent
fuel economy
- Throttle body diameter is 60mm
- Dual overhead cams (DOHC) are light and compact for less valve
train inertial mass
- Large valves provide better intake and exhaust flow to improve
torque and power
- Intake and exhaust valve lift as well as timing are optimized
to reduce exhaust emissions
- Tip-over protection shuts engine off if craft tilts more than
61°
- Waterproof ECU and ignition coils protects the ignition system
from electrical shorts
- Unique semi-dry sump oil system lowers the crankshaft in the
engine, eliminates the need for scavenging pumps, and keeps the
oil in the sump instead of flooding the crankcase if the craft
is capsized
- Kawasaki's patented oil separator provides fail-safe venting
for the crankcase and prevents oil from flowing into the intake
tract if the craft is capsized
- Large capacity airbox cuts down engine noise and provides good
air intake flow
- Whisper-quiet operation through double waterbox mufflers
- Has earned a Three-Star Ultra-Low Emissions rating, meets the
Environmental Protection Agency's strictest standards, as well
as the California Air Resources Board standards
Steering System
- Kawasaki Smart Steering® (KSS®) monitors steering input
and engine speed and, when certain conditions are met, raises
rpm to initiate a desired turn
- Reverse bucket is designed for precise direction control when
backing and is made of injection molded material to prevent corrosion
- Reverse increases maneuverability in tight places
Hull
- Hull size is optimized for a sporty, nimble ride
- Injection-molded sponsons deliver ultra-responsive turning,
while enhancing stability
- Three-blade oval-edge stainless steel impeller pitch provides
maximum efficiency and incredible durability
- Shielded jet propulsion system offers greater protection from
damage
- Kawasaki Splash Deflector (KSD) helps keep spray off the operator
and passenger
- Boarding step retracts automatically and eases reboarding in
deep water
- Large capacity fuel tank allows more time on the water
Deck
- Stylish hatch cover with a muscular look
- Handle position makes aggressive "stand-up" riding
easier and provides ample room for a wide range of riders
- Spacious, close-to-the-water open rear deck provides plenty
of spacious area for putting on skis or a wakeboard and easy
deep water boarding
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Technical Specifications
Engine: Four-stroke, four-cylinder
inline
Displacement: 1,498cc
Bore x stroke: 83.0 x 69.2mm
Compression ratio: 10.6:1
Induction system: N/A
Cooling system: Inducted water
Fuel system: Digital fuel injection
Ignition: TCBI with digital advance
Starting: Electric
Lubrication: Semi-dry sump system
Coupling: Direct drive from engine
Propulsion system: Jet pump, axial-flow, single stage
Impeller: Three-blade, oval-edge stainless steel
Thrust: 957 lbs.
Seating capacity: Three-person
Load capacity: 496 lbs.
Fuel capacity: 16.4 gal.
Oil capacity: 5.3 qt.
Storage capacity: 23.5 gal.
Dry weight: 745 lbs.
Overall length: 122.8 in.
Overall width: 46.5 in.
Overall height: 41.3 in.
Colors: Jet White / Firecracker Red
Jet White / Candy Thunder Blue
* Price and specifications subject to change
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