rock

As title states, looking for a reputable mechanic/engine shop to rebuild a z50 motor back to being as reliable as the factory made it, with maybe a sniff of performance (as who can really stand to tear something apart and rebuild it without improving it...) Chasing rock solid reliability, and...

When I was riding regularly in Melbourne I was going to Frankston mx track, broadmeadows and bacchus marsh... can anyone give me a rough idea if these places have changed in the like 2 and half years or if I can still rock up, pay my money and ride? Or if there is anywhere new to go... I also...