Took my old 2009 wr450 (since stolen) there for top end rebuild rebuild. Came back with leaking head gasket. Had one ride on it with leaking head gasket as I was desperate. On that ride I blew a fork seal (or possibly sabotaged). Took it back to Xtreme to fix leaking head gasket and get them to replace fork oil and do seals. After first ride, I noticed that both fork seals were leaking BADLY. Then promised myself I would never go back to Xtreme and had fork oil and seals done at a much more professional and trustworthy business. The old wr450 never had as much power as the original top end build after Xtreme touched it and would not be surprised if the filthy scum that stole it have a dead piece of shit on their hands now. I have recently moved close to Forrestfield and got a punctured rear tube on my new wr450. I thought that I would give Xtreme one more chance as changing a tube is not exactly something that can destroy an otherwise good motorcycle. They charged $35 for labour! Most places charge $20. As my tyre was half way used, I just assumed they would turn it around so I could use the sharp corners of my tread. NO. I must have had to ask for that simple and obvious service, or they just treat customers like they don't deserve to breathe. I have now declare that I will NEVER USE XTREME AGAIN. NEVER SHOP AT XTREME MOTORCYCLES 0 OUT OF 5