Yes, but not the official version. Download Woolich Racing or FTECU from their official websites. Do not search for "free Yamaha Diagnostic Tool Software Download" – that path leads to malware and broken ECUs.
Most users obtain the software via a link provided with a diagnostic hardware kit purchased from retailers like Amazon or eBay. 1. Software Installation HOW TO INSTALL YDS ON WINDOWS 11 - Yamaha Jet Boat Yamaha Diagnostic Tool Software Download
No unrestricted public official download exists for current YDT versions. Yes, but not the official version
While the software allows you to read engine codes and monitor performance data (like RPM and fuel burn), some features—such as accessing full service and diagnostic history—require access to Yamaha's dealer-only website . Yamaha Diagnostic Tool Software Download