One of the rear shocks had to be replaced. That was the only fault during 13 000 kilometers.
The Honda CB1100F was by far the most reliable of the 5 bikes I have had. Therefore the running costs were low compared too many other big bikes.
I had a CB1100F from 1983 till 1991 and I put 31000 freeway miles in California on it. I had more fun on that bike --- it would do 0-150-0 mph in 30 seconds. Did this many times. Also got 35 mpg.