ATV Off Road Fury 2 (PS2)

General Cheats
Enter the following at the cheats screen:

FLYPAPER - Wrecks disabled/enabled
GIMMEPTS - 1000 profile points
IGIVEUP - Unlock everything
SHOWROOM - All ATVs
GAMEON - All minigames unlocked
TRLBLAZR - All tracks
THREADS - All equipment
GOLDCUPS - All championship events
GABRIEL - Unlock San Jacinto Isles
EATDIRT - Aggressive AI enabled/disabled

Talon quads
To get the Talon bikes, 4 of them, beat the training mode and it will say you have unlocked the Talons.

Extra Gear
If you have ATV Off Road Fury, put it in and save the game. Then you put in #2 and create a new profile, then save it on the same memory card.

After this it should say: G-Ride stuff has been unlocked. You get boots, gloves, a helmet, clothing, and a pimped out ATV. Rock and roll!