RIVA Yamaha GP1800 STAGE 1 PLUS KIT (2017)

Fits Yamaha GP1800

Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH.

RIVA MaptunerX Yamaha 1.8L Bundle is utilized to reflash your original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle delivers instant plug-in horsepower! Quickly and easily load our Stage 3 performance tune into your Yamaha ECU eliminating the need to ship out your ECU for programming. Features a slick, full color, touch screen display. There is no limit to the number of vehicles or tunes you can reflash with the MaptunerX. Simply purchase one additional tuning license for each vehicle that you would like to program. The MaptunerX features a slick, full color, touch screen display for east operation. Includes full access to RIVA's world famous tuning library along with unmatched technical support. Easily switch between performance tunes and then back to stock settings if you wish.

RIVA Yamaha GP1800 Power Filter Kit is installed. Kit replaces restrictive factory intake system delivering improved throttle response and top-speed.

Riva Yamaha Intake Manifold Upgrade Kit is installed. Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold enabling engine to produce more horsepower through increased air flow and boost pressure (+1PSI). Note: This part is NOT included with 2018 kits.

RIVA YAMAHA GEN2 Ride plate is installed. Our ride plate increases top speed and significantly enhances handling characteristics.

RIVA ENGINE COOLING UPGRADE KIT, SVHO, STAGE 1/STOCK is installed. Kit improves water flow to Yamaha SVHO engine and intercooler for improved performance & reliability. Greatly reduces loss of power due to "heat fade" on stock and Stage 1 modified craft.

RIVA Solas Yamaha 1800 Impeller 13/20 is installed. New design incorporates a large blade area and superior hub design that deliver increased acceleration and top speed. Billet nose cone included.