Tricks [PS2 Cheat by: Joe Davidson]
Get some air, then hold the Trick button and press the listed buttons.

Bar Hop - Press Triangle(2).
Can Can - Press Square(2).
Cat Nac - Press X, Circle(2).
Catwalk - Press Square, Triangle.
Cliff Hanger - Press Circle, Triangle.
Coffin - Press Triangle, Circle.
Cordova - Press Circle, Triangle(2).
Disco Can - Press Square(3).
Heart Attack - Press X, Triangle.
Heart Breaker - Hold Analog-stick Down until you have done a complete flip.
Heel Clicker - Press Triangle.
Helicopter - Press X, Triangle(2).
Indian Air - Press X.
Kiss Of Death - Press Circle(2).
La-Z-Boy - Press Circle, X.
McMetz - Press Triangle(3).
Mulisha Air - Press X, Square.
Nac Nac - Press Square.
No Hander - Press Circle.
Nothing - Press Circle, Square .
Pendulum - Press Square, Circle.
Rocket Air - Press X, Circle.
Rodeo Air - Press Triangle, X.
Saran Wrap - Press Triangle, Square.
Seat Grab - Press X(2).
Suicide Flip - Hold Analog-stick Up until you have done a complete flip.
Superman Indian - Press X(3)
Switchblade - Press Square, X
surfer ... Press square,triangle,triangle

Unlock Everything [PS2 Cheat by:Rudolph Dill ]
Go to the OPTIONS MENU and hold L2 and press up, down, left, right,right,left, circle

PS2 Cheats for MX 2002 w/Ricky Carmichael

MX 2002 w/Ricky Carmichael cheat codes

MX 2002 w/Ricky Carmichael cheats