you can do this. page 16 of the menu under copy kit.
When in the SAVE KIT or LOAD KIT menus you can copy and paste kits.
When you are in either the SAVE KIT or LOAD KIT menus, select the kit you want to copy, hold down the [FUNCTION] key and press the [RECORD] button. A message saying “COPY KIT” appears.
Use the [UP] and [DOWN] keys to scroll to the slot you want to copy the kit to.
To paste the kit into the slot, hold [FUNCTION] and press the [STOP] button.
The message “PASTE KIT” appears.
follow the above, but instead of pasting it somewhere with in the snapshot, move to another snapshot and paste the kit.