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KAWASAKI
4 STROKE
INATKE
SYSTEMS
ENGINE/
GASKETS
EXHAUST DRIVE LINE
HANDLING
ELECTRICAL WATERLINE
/BILGE
STEERING
& CONTROLS
BODY
ACCESSORIES
SERVICE TOOLS
/HARDWARE
CHEMICAL
ULTRA 250/260/300 • PUMP
©2012 Hot Products. All rights reserved.
WET WOLF ADJUST-A-THRUST
Kawasaki STXR, STX12F, Ultra 250/260 and Ultra 300 pumps. Comes with
shorter impeller shaft and bearing already installed into the body. Bearing
changes in the tail cone are made easier due to the fact that the bearing is
located at the bottom of the unit, instead of in a deep pocket like the stock
tailcone. Since we were redesigning the units to upgrade to the new model
of AAT, we took the liberty of putting in a larger bearing, and redid the shaft
to accommodate it. Expect much more longevity from your tailcone bearing!
Description
Part No.
1100 ZXI/STXR/STX12F/STX15F (04-06)
KAW-1
Ultra 250 (07-08), Ultra 260 (09-10),
KAW-4
Ultra 300 (11-12), STX15F (07-12)
*This Kit does not contain Bearings and Impeller Shaft
R&D ULTRA 250/260/300
1 DEGREE NOZZLE WEDGE KIT
The R&D 1 Degree Reduction Nozzle Wedge Kit for
the Ultra 250/260/300 will add quicker acceleration
and top speed performance as well as allow the
bow to ride slightly higher which will significantly
reduce annoying bow spray promoting a much
dryer ride. Extensive testing has led our development team to wedge the
reduction nozzle up 1 full degree which will inexpensively give better handling
everywhere and provide a boost of up to 1 mph in top speed performance.
The billet aluminum CNC machined 1 degree reduction nozzle wedge kit was
specifically designed to work without compromising or removing the O.E.M.
reverse gate. The R&D Pump Wedge Kit comes complete with all the
necessary hardware and instructions for easy installation.
Description
Part No.
R&D Ultra 250/260 One Degree Nozzle Wedge Kit
141-25001
R&D Ultra 300 One Degree Nozzle Wedge Kit
141-30000
R&D ULTRA 250/260/300
DRIVESHAFT SHIM KIT
The R&D driveshaft shims install into the prop
snout and removes the unwanted play or float
the driveshaft has in the prop/pump assembly.
Properly shimming the driveshaft will keep the
driveshaft couplers fully engaged eliminating
premature rubber dampener wear and failure.
Description
Part No.
R&D Ultra 250/260/300 Driveshaft Shim Kit
161-00810
R&D ULTRA 250/260/300
ANTI-CAVITATION
PUMP CONE KIT
The R&D Anti-Cavitation Pump Cone Kit was
developed to reduce overall internal pump
cavitation within the Ultra offset reduc-
tion/compression nozzle design. The O.E.M.
Reduction/Compression nozzle is offset 5
degrees, while the pump cone/bearing cap
remains straight which causes uneven pressures within the pump and
reduction nozzle. The R&D Anti-Cavitation Pump Cone is offset 5 degrees
and reshaped to match the O.E.M. reduction nozzle offset promoting even
pressures, which will substantially reduce cavitation, increase pump hook up,
boost acceleration, and increase top speed performance.
Description
Part No.
R&D Ultra 250/260/300
161-25010
Anti-Cavitation Pump Cone Kit
ULTRA 250X (2008)
PERFORMANCE DATA
Stock
65 MPH @ 7,700 RPM
Stage 1
70 MPH @ 7,850 RPM
ULTRA 260X (2009-10)
PERFORMANCE DATA
Stock
67 MPH @ 7,860 RPM
Stage 1 71 MPH @ 7,950 RPM
Note: All testing performed with 1/3 tank of fuel.
Stage 1 Performance Parts are sold individually.
Description
Quantity
Part No.
Performance Power Filter Kit
1
RS13090
Pro-Series Water Box
1
RK16091-1
Free Flow Exhaust Kit
1
RK16090-0
Top-Loader Intake Grate
1
RK22090
Performance Ride Plate
1
RK21090
Pro-Series Sponson Kit
1
RK26090
KAWASAKI ULTRA 250/260X
RIVA STAGE 1 PARTS LIST