This is the number one frustration. You download a save, copy it, and the PSP says: “Save data is corrupted.”
To understand the save data of MotoGP, one must first contextualize the hardware environment of the PSP (PSP-1000 to PSP-3000). Unlike previous cartridge-based handhelds that utilized battery-backed SRAM, the PSP utilized the proprietary Universal Media Disc (UMD) for software and the Memory Stick Duo for user data.
MotoGP, being a simulation-heavy title, required persistent storage for:
The divergence of MotoGP save data lies in its need to track complex statistical variables across a season, unlike linear narrative games where save data essentially marks a checkpoint.
One of the best uses for MotoGP PSP save data is on mobile or PC emulators. The PPSSPP emulator (available on Windows, Android, iOS, and Steam Deck) uses the exact same save structure.
In MotoGP (2006) for PSP, starting a new career meant you began on a slow 250cc bike. To even test a Ducati Desmosedici or a Honda RC211V, you had to win multiple championships. For casual players with school, jobs, or social lives, unlocking the "Extreme" class felt impossible.