any good aussie website for parts and engines ??

[twister]

 

[Wim]

Dunno about good but they have cheap chinese engines/parts:

http://www.highpressurewashers.com.au/petrolengines.html
http://www.ezpower.com.au/
http://motoworks.com.au/

 

[sideways]

What parts are you after?

There aren't many kart parts places in Aus, the few that there are tend to be hugely overpriced.