Jet Moto

Codes:
CONTORTIONIST - Super Agility
JETPACKSPECIAL - Rocket Racer
2XSTUNTS - Double Stunt Points
ZIPPYNODRAG - Zero Resistance
SCREECHNOW - Air Brakes
YAHOOLOOKIE - Show Off Camera
ZOWIEZOOM - Unlimited Turbos
SWOOSHSKATE - Ice Racing
BRAINIACPLUS - Inverted Camera

Just type these codes in at the title screen after codes are enabled.
To enable codes you must:

1. Finish first on the full circuit on Intermediate.
This will allow you to access 4 new tracks
2. Finish first on the full circuit again this time on Professional.
This will enable 2 more tacks
3. Finish first on the full circuit again on Professional.
This will enable the final track.
4. Finish first on the full circuit again on Professional

Now when you go back to the title screen, the rider in the middle should haveacartoon bubble near her that says "Codes Enabled".
Now you can use the codes. (Information from Cheat Machine)