Introduction
Aquatic adventure with effortless
and efficient fourstroke power
The STX®-15F combines over 30 years of JET SKI® knowledge
and renowned Ninja® motorcycle heritage to deliver the pure
waterborne excitement that knowledgeable enthusiasts demand from
Kawasaki JET SKI watercraft. A healthy part of its effortless
control and lasting performance comes from the broad and smooth
spread of power delivered by its clean-running, four-stroke,
1,498cc engine.
Being a Kawasaki, the STX-15F's high-performance matches its
high standards; earning a Three-Star Ultra-Low Emissions rating,
and meeting the Environmental Protection Agency's (EPA) strictest
standards, as well as the 2009 California Air Resources Board
(CARB) standards. For 2009, the STX-15F is even cleaner with
new fuel hose material and revised fuel tank filler.
Dual overhead cams, four valves per cylinder, fuel injection
and electronic engine control (ECU) 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 delivers a quick response. The STX-15F's four-stroke
engine is rubber-mounted in the hull, and features a performance-tuned
exhaust and a large-capacity airbox. The engine has a new head
cover design, the water-jacketed exhaust system now uses fewer
parts and the ECU settings are updated to match the engine changes.
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.
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. The STX-15F also gets electronic
turning help via 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 thrust
for maneuvering.
Additionally a molded-in Kawasaki Splash Deflector (KSD) is incorporated
into the hull design to help minimize spray on the rider. This
muscular and aggressive looking STX-15F may be lighter and more
compact than the competition, but it's well endowed with a roomy
riding position that makes aggressive performance riding easier
and suits a wider range of riders.
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 boarding 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.
Like the rest of the high-quality styling of the STX-15F, the
hatch cover is 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.
With a generous 16.4 gallon fuel capacity allowing extended rides,
there is plenty of time to enjoy the cockpit features. These
include a LCD instrument panel with fuel level, speed, engine
rpm, trip distance and time information available and warning
lamps to alert the rider of a low fuel level or high engine temperature,
along with a magnetic keyed ignition switch that helps deter
unauthorized operation.
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Features
1,498cc Engine
- Four-stroke engine provides incredibly strong low- and mid-range
torque
- 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
- Large capacity airbox cuts down engine noise and provides good
air intake flow
- Intake tract designed for maximum performance
- Digital fuel injection provides great throttle response, smooth
engine performance, quick acceleration, easy starting and excellent
fuel economy
- Tip-over protection shuts engine off if craft tilts more than
61°
- Waterproofed 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 from 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
- Has earned a Three-Star UltraLow 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 give enough thrust to maneuver
- Reverse bucket is designed for more precise direction control
when backing and is made of injection molded material to prevent
corrosion
- Reverse increases maneuverability in tight places
Composite 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 boarding in
deep water
- Large capacity fuel tank allows more time on the water
Deck
- Stylish hatch cover keeps with 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
Cooling system: Inducted water
Fuel System: Digital Fuel Injection w/60mm throttle body
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.
Curb weight: ** 844.5 lbs.
Overall length: 122.8 in.
Overall width: 46.5 in.
Overall height: 41.3 in.
Colors: Jet White / Sunbeam Red
Jet White / Valiant Blue
* Price and specifications subject to change
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