Give these guys a try, not sure, but i know they have a some scooter spares:
http://www.junction25motorcyclebreakers.com/
http://cgi.ebay.co.uk/Gilera-Runner-RIGHT-WAY-UP-FORKS-125-180-SP-FX-VX-FXR_W0QQitemZ130005324372QQihZ003QQcategoryZ122295QQrdZ1QQcmdZViewItem
TRY THIS MATE, THEY USUALLY GO FOR A BIT BUT AS I'M SURE YOU KNOW THEY'RE WORTH IT!!