Most modern USB loaders like or WiiFlow Lite run Wii Play: Motion perfectly out of the box, but these tweaks ensure the best stability:
Are you playing on ? What USB loader software are you currently using? Do you need help converting an ISO file to WBFS format ? wii play motion wbfs best
You can store your entire Wii game library on a single storage device, eliminating the need to swap physical discs. How to Get the Best Wii Play: Motion WBFS Setup Most modern USB loaders like or WiiFlow Lite