Last time I rode Hattah was in '77, as a 17 yo I rode my TS185B on L plates from frankston to Mildura to race at the event, then a 4 x 100k loops, two loops, then swap with the loop that the buggies had done two laps of.
I was 2nd in class after three laps but a rear puncture, dropped to 10th after riding 100k's with a flat trail tyre.
It was funny, everyone said pre the race "don't jet too lean on the needle or the bike will seize when you back-off after a high-speed run on the salt-flat. On the salt-flat my TS started to slow and I thought I'd seized it, once I stopped I saw the the tail light had fallen into the rear wheel and the wiring harness was getting pulled off the bike and getting wrapped around the axle, I pulled it all out and took-off.
I had to hitch a ride back to Frankston lol.