I bought one of the $14.39 White Brothers Frame skids from eBay for my Warrior.
http://cgi.ebay.com/ebaymotors/White-Brothers-Frame-Skid-Plate-for-Yamaha-Warrior-350_W0QQcmdZViewItemQQcategoryZ43966QQihZ017QQitemZ270169142940QQrdZ1QQsspagenameZWDVW
Quality and Fitment are Great!
I'll try...