Go to Profile Editor, then to Unlock Items, then to Cheat Codes. Now type in these passwords.
Everything: IGIVEUP
1000 Profile Points: GIMMEPTS
Aggresive CPU Racers: EATDIRT
All ATVS: SHOWROOM
All Games: GAMEON
All Tracks: TRLBLAZR
All Equipment: THREADS
All Championships: GOLDCUPS
Disable Wrecks: FLYPAPER
Unlock San Jacinto Isles: GABRIEL
To Unlock the Ravage ATVs, complete the training course.