Additional bikes
To unlock the option to choose between 125cc and 250cc, go through the game in career mode until the last level. Once there, acquire 1st place to unlock the option to change your cc's on your dirtbikes in any mode.

Game Shark Code List

Master Code (Must Be On)	EC8522A0 144025B4
999 Race Points	4CA3ADB4 1456E404
High Stunt Score	0CD6A770 1456E7A51CD6A770 17E9C70C

Tricks
Get some air, then hold the Trick button and press the listed button(s) to do the specified move:

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.

Level select
Start the game in 2 player mode. Have player one hold L2 + R1 and press Up, Down, Left, Right, Triangle. Now, have player 2 hold L2 + R2 + Triangle + X.

PS2 Cheats for MX 2002: Featuring Ricky Carmichael

MX 2002: Featuring Ricky Carmichael cheat codes

MX 2002: Featuring Ricky Carmichael cheats