How do you change dirt bike skins on mx vs ATV reflex psp?

To change dirt bike skins in MX vs. ATV Reflex on PSP, first navigate to the "Customize" menu from the main menu. Select the bike you want to modify, then choose the "Skins" option. Here, you can scroll through the available skins and select the one you want to apply. Finally, confirm your selection to update your bike's appearance.