Overall:
Won't be going back again! We use to go to Hayashi a lot 4 years ago, as I lived nearby. Then it changed owner a few years ago, and it has gone downhill ever since.
The first time we tried it after it changed owners, they ran out of rice, can you believe that!! There were four of us, and they served 2 of us our Mains...after waiting about 15 minutes, we asked when the other Mains were getting served, and that's when they told us that they were just cooking more rice!
We thought we would give it another go and went back again in September 2006. The food and service was just OK. We happened to be in the area 2 nights ago, and thought we would try it again and see if it had improved.
It was a Monday night, and there was one waitress on the floor, with another waiter handling the takeaway orders. She showed us to our seats, and brought us our Japanese tea, then didn't come back for ages, before we called her over to take our order. It wasn't exactly busy!!
We both ordered "Bento Boxes" and the food was reasonable, but that's all. My husband had a "chicken teriyaki bento", and I had an "unagi bento". I have tasted better "unagi" at Hanami in Mt. Lawley and Sado Island in Claremont. The waitress was polite, but the restaurant lacked ambience, and was rather cold on this particular night.
There are definitely better Japanese restaurants in Perth!