I have, in stock, key blanks
without plastic for the Warrior (and other Yamaha models).
These are plain metal finish without plastic so they will fit in your wallet! I just had one cut for myself for $1.00 at the locksmith.
You can purchase them here for
$4 $3 each:
http://www.rswarrior.com/store2/Scripts/prodView.asp?idproduct=13