Step 1.
Buy a un reg'd bike. I got a 929 but the Cbr 600 f4i is brilliant because its throttle is so docile. Check Fowles Auctions down there, they usually have a couple crashed bikes cheap. http://www.manheimfowles.com.au/find_buy/power_search/?tab=make&stream=Recreation&rm=view_results&vehicle_type_desc=Bikes
Step 2.
Visit http://www.sickinnovations.com/ for your sprockets (50-60 teeth rear), stunt cage, twelve bar and any of the other cool shit they make that you may want.
Step 3.
Gear up (I mean it otherwise have fun fuckin yourself up

)
Step 4.
Post your progression pics in your own new thread