A: The full disc dump is exactly 4,699,979,776 bytes (4.37 GB). After converting to .wbfs (compressed), it shrinks to about 3.8 GB.
You have just created a legal, personal backup—the equivalent of a "Super Mario Kart Wii Wad."
Happy racing, and watch out for the Blue Shell.
In the Wii homebrew community, a file serves as an installation package for channels, system updates, or games on the console's system menu. While users often seek a "Mario Kart Wii WAD" to launch the game directly from the Wii Menu without a disc, it is important to distinguish between legal backups and unauthorized downloads. Understanding Wii WAD Files