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GP1800 Stage 1 Kit


Note: All testing performed with 1/3 tank of fuel, trim in neutral, sea level elevation, air temp 80-degrees F.

Parts Price Total $1069.80
Special "Kit" Price $1016.30
Was: $1,069.80
Sale: $1,016.30
Save: 5%
Save: $53.50
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Our Stage 1 modification delivers a huge performance gain with no additional parts required! Expect awesome acceleration and a top speed increase of 9 MPH.

The MaptunerX Bundle delivers instant plug-in horsepower!

Quickly and easily load our Stage 1 performance tune into your Yamaha ECU (engine control unit) 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.

Features and Benefits:
  • Awesome acceleration and a top speed increase of 9 MPH!
  • Reflash your ECU instantly without shipping it out for programming.
  • Switch between performance tunes quickly & easily.
  • Restore stock tune settings if you wish.
  • Easy to use, full color, touch screen display.

MaptunerX Bundle includes:
  • MaptunerX
  • RIVA MaptunerX Yamaha Tuning License (allows tuning for 1 PWC)
  • Yamaha Programming Cable
  • USB Cable for connection to computer

Engine Upgrade Kit

Our Engine Internals Upgrade Kit delivers bulletproof reliability to the Yamaha 1.8L engine in racing and high boost applications when you're pushing it to the limit and looking for maximum dependability. Click here to learn more.

Additional Upgrades

These are additional performance upgrade parts that can be purchased individually to improve the performance kit.


  • RY-RPM-GP18-1
  • RY-RPM-GP18-1
  • Performance Kits
  • New

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