i'll trade a brand new (unused) KTM orange pen for a spark plug wrench. yes! today is your lucky day.... Dealer tells me KTM is not responding, not answering the phone and not retuning calls but reassured me we're not done yet and they will see it through. oh it's ON now, MFers.
I believe the slot under the seat is to hold the extension for the box end wrenches. My tool kit came with all three pieces to the spark plug wrench, and 2 tee handle allen wrenches, but no small allen wrench for the windshield.
Yeah..looks like you are missing a few things ( plug socket, and driver etc ), but then after seeing your pic, so am i ( Cable, and a couple of open ended wrenches). I will be calling my dealer and trying to scrounge up the missing parts tommorow. Great idea posting the picture.