Yes, I'm runnig a 27 T1.
I'm in Canada, my dealer called Yamaha Canada and they claimed they have not heard of any issues with the thrust washers wearing out prematurely. I asked about the 2 piece washer and they had no info on it at all. Pictures were sent to Yamaha to see if they will replace the lower unit. Up here the thrust washers cost over $200/pc. This could get expensive....