The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Master Code – Must Be On
c0038a740001
Infinite Time
800ab5e40000
Max Tournament Points
800619580fff
All Classes Unlocked
800619d80004
All Tracks Unlocked
800619e403ff
All Sleds Unlocked
800619e001ff
Infinite Wrenches
50000b010000
300618a40063
300618b30063
300618b40063
300618b80063
300618be0063
300618c20063
300618c80063
300618cc0063
300618cd0063
300618ce0063