You could totally bodge it by drilling holes on each side of the split and 'lacing' with cable ties. A lot neater would be to super glue it. A better and more permanent solution ( and cheaper) is to trawl ebay for plastex. Used it to rebuild a zzr fairing which resembled a jigsaw.

Ade

http://cgi.ebay.co.uk/Plastex-Plasti...QQcmdZViewItem