Brands like Foxwell (NT630 Plus) and OBDSTAR (iScan Pro) include Yamaha-specific software modules. You purchase the scanner, download the manufacturer’s update software (which is clean and safe), and select "Yamaha" from the menu. No shady torrents involved.
The full YDS/YMDT software is licensed exclusively to authorized dealerships. Downloading cracked or “free” versions from torrent sites or unknown forums is: Yamaha Diagnostic Tool Software Download
You will break even the first time you diagnose an intermittent misfire or reset your "Oil Change" light. Brands like Foxwell (NT630 Plus) and OBDSTAR (iScan