Introduction
Impressive performance and versatility
What traits should a personal watercraft possess? We all
know it should have plenty of power, look great, and have useful
features to make it noteworthy. The Kawasaki JET SKI®
STX®-12F watercraft has all that, with a few extras to keep
it riding higher than the competition.
It all starts with the engine. The STX-12F powerplant was
adapted from Kawasaki's leading-edge Ninja® motorcycle line.
The dual overhead camshaft 1,199cc water-cooled engine makes
plenty of power for optimum performance , and even boasts of
low emissions and quiet operation. The STX-12F meets the
strictest existing emission standards for both the Environmental
Protection Agency (EPA) and the California Air Resources Board
(CARB). In fact, the STX-12F received CARB's ultra-low "three-star"
rating in 2003, five years before it was required to by law.
The STX-12F also features four valves per cylinder, fuel injection
and an electronic engine control unit (ECU) that coordinates
the ignition system and fuel injection to provide maximum performance
and reliability.
The fuel injection system itself utilizes a single 54mm throttle
body and individual injectors at each chrome composite-plated
aluminum cylinder to provide fuel for the high-performance engine,
resulting in smooth power delivery and instant starting in any
kind of weather.
The STX-12F is designed to be quiet, reliable and environmentally
friendly. While highly tuned, the engine's exhaust system
is water-jacketed to help reduce underhood temperatures and keep
it running as quietly as possible. The large-capacity airbox
is specially designed to both boost power and reduce intake noise
levels. To reduce vibration, the engine is rubber-mounted.
The STX-12F features an open-loop cooling system that utilizes
an intake filter and draws cooling water from the jet pump, ensuring
consistent operating temperatures for maximum performance.
A direct-drive axial-flow jet pump is connected to an oval-edge,
stainless steel, three-blade impeller. The direct drive pump
has no gear reduction unit, allowing the engine to turn a lower
rpm for lower stress, less wear and tear, lower vibration levels,
less noise and better fuel consumption. A reverse function allows
easy maneuverability in tight quarters.
The STX-12F is also equipped with Kawasaki Smart Steering®
(KSS®). KSS features a steering sensor that is electronically
linked to an on-board microprocessor. If the handlebar is fully
turned in either direction and the engine rpm drops from a designated
rpm, such as when the throttle is released at speed, the microprocessor
activates the KSS, which raises engine rpm to provide enough
thrust to initiate the desired turn.
Assisting with low-speed maneuvering is a reverse bucket that
is shaped to deliver optimum thrust for more precise direction
control when backing, and the bucket is injection molded to eliminate
corrosion.
The STX-12F also 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
while they master proper riding techniques.
Even the hull bristles with innovation. The STX-12F's deep-V
hull is made of fiberglass and gel-coated for a lustrous, scratch-resistant
finish and features the molded-in Kawasaki Splash Deflector (KSD)
to help minimize spray. High-performance sponsons help get the
hull up on plane and provide "grip" while the hull
design facilitates precise cornering, increased stability at
high speed and a smoother ride in rough water.
The STX-12F boasts a sporty design with its stylish deck and
angular seat, offering a muscular look befitting a high-performance
watercraft. The handlebars are located in a cab-forward position
to provide plenty of room for the rider, plus abundant floor
space provides room for the rider's feet. There are even footrests
to help stabilize a rear-facing spotter when pulling a skier,
wakeboarder or tuber.
The open rear deck has space easily used for getting into skis
or as a diving platform. Reboarding in deep water is simplified
with the automatically retracting boarding step located at the
rear of the hull. The rear deck can also accommodate a cooler
or other items needed for a day on the water. The STX-12F features
water-resistant storage space, an easily accessible glove box
and front storage compartment. A hydraulic damper holds the front
storage hood open, allowing easy access until the operator closes
it. Another large storage area is located under the seat.
The Jet Ski STX-12F features a 16.4-gallon fuel tank for more
riding time between fill-ups and an LCD instrument panel allows
riders to monitor fuel level, speed, engine rpm, trip distance
and time. Warning lamps alert the rider to low fuel level or
high engine temperature. In addition, there is a magnetic keyed
ignition switch to help deter theft or unauthorized use.
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Features
- Large 1,199cc four-stroke engine
provides incredibly strong low-speed torque and acceleration
- Electronic fuel injection provides improved throttle response,
smooth engine performance, quicker acceleration, instant starts
under most conditions and a dramatic reduction in fuel consumption
- Dual overhead cams (DOHC) are light and compact for less valve
train inertial mass, and provide consistent valve timing at high
rpm
- Four-valve cylinder head with large valves provide better intake
and exhaust flow to improve torque and power
- Tip-over protection shuts engine off if craft tilts more than
61°
- Waterproof ECU and ignition coils protect 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 if the
craft is capsized the oil stays in the sump instead of flooding
the crankcase
- 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 lowers engine noise and improves air
intake flow
- Water-jacketed exhaust system reduces noise level and underhood
temperatures for better power
- Double waterbox mufflers deliver whisper-quiet operation
- Freshwater flush fitting helps operator easily rinse out the
motor's cooling lines
- Kawasaki Smart Steering® (KSS®) monitors steering input
and engine speed, and when certain conditions are met, raises
rpm to initiate a turn
- Smart Learning Operation (SLO) is accessible on the instrument
panel, and can be programmed to place a limit on maximum engine
speed so novice riders can experience riding at a reduced speed
while they master proper riding techniques
- High-performance sponsons help the hull get up on plane and
provide more aggressive "grip" in turns
- Three-blade oval-edge stainless steel impeller provides maximum
efficiency and incredible durability
- Reverse bucket is made of injection molded material to prevent
corrosion
- Spacious, close-to-the-water open rear deck provides plenty
of room for putting on skis or a wakeboard
- LCD multifunction meter system with speedometer, tachometer,
hour meter, clock, trip distance, trip time, fuel level and warning
lights allows operator to easily monitor necessary information,
and also alerts operator to low fuel or high engine temperatures
- Kawasaki Splash Deflector (KSD) helps keep spray off the operator
and passenger
- Shielded jet propulsion system gives greater protection from
damage
- Storage compartments in bow, glove box and under seat can carry
fire extinguisher, tool kit, cooler and more
- Large capacity fuel tank allows more riding between fill-ups
- Finger-type throttle reduces hand fatigue and increases comfort
- Magnetic keyed ignition switch helps deter unauthorized use
- Automatically retracting boarding step makes reboarding in
deep water easier
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Technical Specifications
Engine: Four-stroke, four-cylinder
inline
Displacement: 1,199cc
Bore x stroke: 83.0 x 55.4mm
Compression ratio: 11.2:1
Induction system: N/A
Cooling system: Inducted water
Fuel system: Electronic 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: 827 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: 737 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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