What is your Yamaha engine or watercraft?

Double-click the setup.exe for the YDS program and follow the installation wizard.

The is the official, dealer-level PC software used to interface with the Electronic Control Modules (ECUs) of Yamaha's EFI (Electronic Fuel Injection) four-stroke and HPDI (High-Pressure Direct Injection) two-stroke marine engines. Version 1.33 is a specific release of this software, generally compatible with Yamaha marine engines, personal watercraft (like WaveRunners), and jet boats manufactured up to the 2012 model year.

Using this software with a compatible adapter allows you to access deep-level data typically reserved for dealerships:

Specifically, YDS version 1.33 is the last widespread version of the software that is readily accessible to the public. It is a Windows-based application that communicates with: