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 RIVA STX-15F Endurance Engine Kit
Stock 61 MPH @ 7,600RPM
Endurance Race Unit * 70+ MPH @ 8,100RPM
* = With required & optional performance parts.
 
NOTE: All testing was performed with 1/3 tank of fuel and trim in neutral position.  
 
Our Endurance Engine Kit for the Kawasaki STX-15F contains the same components and specifications that Team Kawasaki developed to dominate the international racing circuit. This modification produces excellent acceleration and a top speed of over 70mph using VP MS109 race fuel (Jet X).

High compression racing pistons are installed along with performance intake & exhaust camshafts. Fuel delivery, engine timing and rev limit are optimized to match the increased demands of the modified engine via a race programmed Mitsubishi ECU that plugs directly into factory wiring harness. Kit includes all necessary gaskets and detailed installation instructions. We highly recommend use of our Performance Power Filter (part# RX13085) with this package.

  
     
Riva Racing Endurance Engine - Kawasaki 15F Parts Kit   Click Here
 
REQUIRED PERFORMANCE UPGRADES  
DESCRIPTION
QTY
 PART #
RIVA STX-F Performance Power Filter Kit
1
 RK13085
RIVA STX-F Free Flow Exhaust Kit
1
 RK16085
R&D STX Aquavein
1
 111-15001
RIVA Modified OEM Intake Shoe (155mm)
1
 RK23085-155
Skat-Trak Mag Pump w/Swirl Impeller (155mm)
1
 PSK150NEWE558
Skat-Trak Reduction/Steering Nozzle Assembly
1
 PRNKAW551
R&D STX Ride Plate
1
 121-12000
RIVA STX-F Pro-Series Sponson Kit
1
 RK26085
Skat-Trak Heavy-duty Steering Cable
1
 PRSTKAWSTXR
 
ADDITIONAL PERFORMANCE UPGRADES  
DESCRIPTION
QTY
 PART #
UMI STX Steering System
1
 KA-04605-STXR
RIVA Aluminum Handlebars (Black)
1
 RY204B
UMI Throttle Trigger (Clear / Straight Pull)
1
 KA-01520/CLR
UMI Throttle Trigger Adapter
1
 KA-01550
RIVA Racing Grips (Black)
1
 RY206B
RIVA / Jettrim STX Custom Seat Cover
1
 RK5-STX-COLOR
RIVA STX Rail Molding Kit
1
 RK5-RMK-085
 

 

  
Secure On-Line Ordering Atlantic Jet Sports, LLC - Manahawkin, NJ
E-mail: sales@atlanticjetsports.com
Product descriptions, performance claims & testing results are that of the product manufacturer & not that of  Atlantic Jet Sports. Atlantic Jet Sports can not be held responsible for these claims.