You need to change the logo text on your custom bike to "kingpin".
Watch the text credits. When the credits for the Mini-games come up, press A.
Get one million points in stunt mode. Then the Valentino Rossi Character will be unlocked.
Finish first in any track to earn its highlights video.
To unlock the Sheridan track complete all the challenges in championship.
To unlock legend, you have to win the championship on champion.
Alex Barros Get an overall total of 250,000 points in stunt mode
Carlos Chera Get an overall total of 100,000 points in stunt mode
Max Biaggi Get an overall total of 500,000 points in stunt mode
Tohru Ukawa Get an overall total of 750,000 points in stunt mode
Edgy Earn 325 championship points
Pop Video Earn 375 championship points
Saturate Earn 300 championship points
Turbo Earn 275 championship points