Riva stage 1 kit for Yamaha FZR / FZS (11-12) 70~71 MPH : 7,600 RPM This change provides maximum performance (+3~4 mph) thanks to easy air intake, exhaust and pump improvements. No internal engine modifications are required. RIVA Performance Power Filter is installed. The kit replaces the restrictive factory intake system offering better...

Riva stage 1 kit for Yamaha FX SHO 2012 Note : All tests are performed with 1/3 fuel tank, trim to neutral, sea level rise, air temperature 80°C. The kit includes: RIVA Yamaha 2014-18 FX SVHO and 2012-16 FX SHO RY13070 Power Filter Kit RIVA Yamaha SVHO/ SHO/ HO RY12040-IMUK Inlet...

Riva stage 1 kit for Yamaha FX SHO (2008-2010) The kit includes: RIVA Free Flow Exhaust Kit 2008- 11 FX-SHO, 2009- 11 FX-HO, All FZR/ FZS Yamaha RY16040 RIVA Yamaha 09-16 FZ and 08-11 FX-SHO RY13040 Power Filter Kit RIVA Yamaha SVHO/ SHO/ HO RY12040-IMUK Inlet Manifold Upgrade Kit RIVA/ Solas Yamaha 155mm Dynafly 13 / 22R...

Kit 4 pistons CP pistons 86mm (8.6: 1) CP forged racing pistons offer maximum reliability and performance in supercharged and supercharged applications. The High Strength Piston Kits include a premium ring set, tool steel wrist pin and carbon steel wire locks. Sold separately. The main features include: CNC machining from high...

Riva Racing Stage 1 kit for Kawasaki Ultra 310X jet ski 74 MPH : 7.800 RPM This change provides maximum performance (+ 6-7 mph) thanks to easy air intake, exhaust and pump improvements. No internal engine modifications are required. The kit includes: RIVA Kawasaki Ultra 310/300 Performance RK13100...

Riva Racing Stage 1 kit for Kawasaki Ultra 300X jet ski 73 MPH : 7.900 RPM This change provides maximum performance (+7 mph) thanks to easy-to-install air intake, exhaust gas and pump improvements. No internal engine modifications are required. The kit includes: RIVA Kawasaki Ultra 310/300 Performance RK13100...

Riva Racing stage 1 kit for Kawasaki Ultra 260X jet ski 71 MPH : 7.950 RPM This change provides maximum performance (+4 mph) thanks to the easy-to-install air intake, exhaust and pump improvements. No internal engine modifications are required. The kit includes: RIVA Kawasaki 08-13...

Riva Racing Stage 1 kit for Kawasaki Ultra 250X 70 MPH : 7.850 RPM This change provides maximum performance (+5 mph) thanks to easy-to-install air intake, exhaust gas and pump improvements. No internal engine modifications are required. The kit includes: RIVA Kawasaki 08-13 KIT D'ÉCHAPPEMENT ULTRA LIBRE FLOW...

Riva Racing Stage 1 Kit For Kawasaki Ultra 250X This change provides maximum performance (+5 mph) thanks to easy-to-install air intake, exhaust gas and pump improvements. No internal engine modifications are required. The kit includes: Kit d'échappement à écoulement libre RIVA Kawasaki, 2004-08 STX, 2007-08 Ultra 250X / LX, RK16090. RIVA...

Riva Racing  STAGE 4 for Seadoo RXP-X 260 (2012-2015)  This kit delivers a significant level of performance (+13mph on U.S. models) through easy to install, bolt-on engine, exhaust, and pump enhancements. Requires use of fresh premium octane pump fuel (91~93).  RIVA MaptunerX BRP Bundle is utilized to reflash original ECU. MaptunerX provides ability to quickly and...

77 MPH : 8.650 MPH This kit delivers a significant level of performance (+10mph on U.S. models) through easy to install, bolt-on engine, exhaust, and pump enhancements. Requires use of fresh premium octane pump fuel (91~93).  RIVA MaptunerX BRP Bundle is utilized to reflash original ECU. MaptunerX provides ability to quickly...