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Riva Yamaha 1.8L SVHO/SHO/HO Pro-Series Waterbox

$469.95
SKU RY16041

Developed on the Riva Racing Dyno and tested extensively on the water, this waterbox features radiused exhaust tubes and end caps for optimum exhaust flow. Unique exhaust baffle will increase the low-end power and mid-range pull of your Yamaha watercraft. Delivers up to 15hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. Powder coated to prevent corrosion. A must for modified motors.

Key Features:

  • Delivers up to 15hp on modified craft!
  • Machined hose flanges for reliable coupler retention.
  • Radiused exhaust tubes & end caps.
  • Powder coated to prevent corrosion.

Fits The Following Models:

  • 2008 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2008 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2009 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2009 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2009 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2009 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2009 YAMAHA FZR Pro-Series Waterbox
  • 2009 YAMAHA FZS Pro-Series Waterbox
  • 2010 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2010 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2010 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2010 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2010 YAMAHA FZR Pro-Series Waterbox
  • 2010 YAMAHA FZS Pro-Series Waterbox
  • 2011 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2011 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2011 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2011 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2011 YAMAHA FZR Pro-Series Waterbox
  • 2011 YAMAHA FZS Pro-Series Waterbox
  • 2011 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2011 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA FZR Pro-Series Waterbox
  • 2012 YAMAHA FZS Pro-Series Waterbox
  • 2012 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2012 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA FZR Pro-Series Waterbox
  • 2013 YAMAHA FZS Pro-Series Waterbox
  • 2013 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2013 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA FX SVHO Pro-Series Waterbox
  • 2014 YAMAHA FZR Pro-Series Waterbox
  • 2014 YAMAHA FZS Pro-Series Waterbox
  • 2014 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2014 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2015 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA FX SHO (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA FX SVHO Pro-Series Waterbox
  • 2015 YAMAHA FZR Pro-Series Waterbox
  • 2015 YAMAHA FZS Pro-Series Waterbox
  • 2015 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2015 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA FX CRUISER SHO (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2016 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA FX SVHO Pro-Series Waterbox
  • 2016 YAMAHA FZR Pro-Series Waterbox
  • 2016 YAMAHA FZS Pro-Series Waterbox
  • 2016 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2016 YAMAHA VXS (1.8L) Pro-Series Waterbox
  • 2017 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2017 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2017 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2017 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2017 YAMAHA FX SVHO Pro-Series Waterbox
  • 2017 YAMAHA GP1800 Pro-Series Waterbox
  • 2017 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2017 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2018 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2018 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2018 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2018 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2018 YAMAHA FX SVHO Pro-Series Waterbox
  • 2018 YAMAHA GP1800 Pro-Series Waterbox
  • 2018 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2018 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2019 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2019 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2019 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2019 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2019 YAMAHA FX SVHO Pro-Series Waterbox
  • 2019 YAMAHA GP1800R SVHO Pro-Series Waterbox
  • 2019 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2019 YAMAHA VXR (1.8L) Pro-Series Waterbox
  • 2020 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2020 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2020 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2020 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2020 YAMAHA FX SVHO Pro-Series Waterbox
  • 2020 YAMAHA GP1800R HO Pro-Series Waterbox
  • 2020 YAMAHA GP1800R SVHO Pro-Series Waterbox
  • 2020 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2021 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2021 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2021 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2021 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2021 YAMAHA FX SVHO Pro-Series Waterbox
  • 2021 YAMAHA GP1800R HO Pro-Series Waterbox
  • 2021 YAMAHA GP1800R SVHO Pro-Series Waterbox
  • 2021 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2021 YAMAHA VX LIMITED HO (1.8L) Pro-Series Waterbox
  • 2022 YAMAHA FX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2022 YAMAHA FX CRUISER SVHO Pro-Series Waterbox
  • 2022 YAMAHA FX HO (1.8L) Pro-Series Waterbox
  • 2022 YAMAHA FX LTD SVHO Pro-Series Waterbox
  • 2022 YAMAHA FX SVHO Pro-Series Waterbox
  • 2022 YAMAHA GP1800R HO Pro-Series Waterbox
  • 2022 YAMAHA GP1800R SVHO Pro-Series Waterbox
  • 2022 YAMAHA VX CRUISER HO (1.8L) Pro-Series Waterbox
  • 2022 YAMAHA VX LIMITED HO (1.8L) Pro-Series Waterbox