Upgrade your GP1800R with the Dean's Team Level 5 Kit to get the most out of your WaveRunner with a stock valve train. This kit will see gains of 19+ MPH from factory [68 MPH up to 87+ MPH] and an acceleration upgrade fit for racing.
Requires 93 octane fuel
Based off of Dean's Team Level 3 tested on 2021 GP1800R in Orlando, FL in 72 degree weather, with 1/3 tank of fuel - 87.4 MPH at 9,100 RPM
The Level 3 Kit includes:
With this kit, you will send your ECU and OEM ride plate. The modifications will take 1-2 business days and are all done in house.
For Yamaha GP1800R WaveRunners years 2019-2022