Standard versions of NKit only contain the core processing application. However, Wii games often require specific and system data to be reconstructed accurately.
Once you have downloaded and extracted Nkit 1.4, you can use it to extract Wii partitions. Here are the steps: Download Nkit 1.4 Wii Partitions BEST
Offers direct downloads for the Core, Wii Partition, and Fully Loaded versions. Standard versions of NKit only contain the core