Just found a Kiwi Guy selling quality TTR and more seat covers and other odds and ends on the Aussie Ebay for very reasonable prices, $56 plus freight
Link
Cheers
2004 TTR250 - Highway Dirtbike Hand Guards, 38mm Bar Risers, D606 Front & Rear, Opened up Airbox with Twin Air Filter, Re-jetted Carby, B+B Bash Plate & Frame Guards, DIY 3mm Alloy Tail Tidy, 14/47 Gearing.