Things You'll Need
Instructions
Turn on your Nintendo Wii.
Insert the SD card into the SD card slot.
Select "Data Management" in the lower left corner of the screen.
Select "Save Data."
Locate the "Mario Kart" Wii save file and click on it.
Select "Move." It will ask you to confirm if you want to transfer the data onto your SD card, select "Yes." Wait for the transfer to complete.