You just lose the bloat.
NKit 1.4 (Nintendo Toolkit) is a specialized tool used to shrink Wii and GameCube disc images to their absolute minimum size by removing "junk" data and non-essential partitions . While the base NKit program is widely available, Wii Recovery Partitions Download Nkit 1.4 Wii Partitions
. While standard NKit downloads provide the core processing software, "Wii Partitions" refer to the recovery data needed to rebuild scrubbed or modified images back to their original Redump-verified Where to Download NKit 1.4 & Partitions Official Program : The primary source for the NKit 1.4 program is the NKit download page on GBATemp Wii Recovery Partitions You just lose the bloat
To download Nkit 1.4 Wii partitions, follow these steps: While standard NKit downloads provide the core processing
NKit achieves its small file size by stripping out "junk data" and update partitions from the original disc image. While the game is still playable in this state on some platforms, you cannot convert it back to a standard .iso without these missing pieces.
The official source is no longer online, but trusted archival copies exist: