The following are known Action Replay Codes for Jeremy McGrath Supercross 98 on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Start On Final Lap
e0076f280003
30088a280001
e0076f280004
30088a280002
e0076f280005
30088a280003

Unlock All Tracks
800770680009

Enable Cheat Pause Menu
80076c1a0001