GP1800 SVHO Stage 1 PLUS Kit

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. Requires use of fresh premium pump fuel (91~93 octane).

The Maptuner Nano Bundle delivers instant plug-in horsepower!

Includes everything you need to connect to and reflash your watercraft's ECU in one complete package.

Flash your vehicle's ECU for more power, monitor and log critical engine data, read & clear error codes all from your smartphone! This revolutionary app based device is controlled with your phone via wireless Bluetooth connection. Intuitive & easy to use with a few simple steps!

There is no limit to the number of vehicles or tunes you can reflash with the Nano. Simply purchase one tuning license for each vehicle that you would like to program. This gives you 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.

Features and Benefits:

• Wireless Bluetooth connectivity to Android or iOS smartphone.
• Switch between performance tunes quickly & easily.
• Restore stock tune settings if you wish.
• Reflash your ECU instantly without shipping it out for programming.
• Allows reading & clearing fault codes.
• Includes live monitoring & data logging of critical engine data.

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

RIVA Engine Breather Upgrade Kit is installed. Eliminates power-robbing crankcase emissions from your engine's air intake. Increases horsepower by removing the engine's requirement to burn relatively non-combustible oil.

RIVA Engine Cooling Upgrade Kit 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.

Solas Concord Impeller is installed. New design incorporates a large blade area and superior hub design that deliver increased acceleration and top speed. Billet nose cone included.

RIVA 'GEN-2' Ride Plate is installed. Our ride plate increases top speed and significantly enhances handling characteristics.