Upgrade your Yamaha SVHO WaveRunner to bigger boost with the Riva R4 Supercharger Wheel + supporting mods. This upgrade package also requires a valve train upgrade (Titanium Retainer Set or Springs & Retainer Set), aftermarket intercooler (Fizzle Y1000 or Riva PowerCooler), and cold air intake.
Includes:
Riva R4 Supercharger ImpellerRiva Heavy-Duty Upgraded Supercharger Shaft KitRiva 3 Bar Map SensorRiva Adjustable Fuel Pressure RegulatorRiva Yamaha 1.8L High Volume Fuel Pump Kit1000cc Injector Kit
Boost Performance for Riva R4 Wheel
- 8.5 PSI @ 6,000 RPM
- 11.75 PSI @ 7,000 RPM
- 16 PSI @ 8,000 RPM
- 19.5 PSI @ 8,500 RPM
- 22 PSI @ 9,000 RPM
- 25 PSI @ 9,500 RPM
For use with Yamaha SVHO models:
2014-2016 Yamaha FZR/FZS SVHO
2014-2023 Yamaha FX SVHO
2017-2018 Yamaha GP1800
2019-2023 Yamaha GP1800R
