New Tires

So I finally have new tires on the bike. I had a new rear tire put on around 18k and a front tire at around 20k. I went with Metzler Marathon 880's since they were the best available ( according to Tim at the parts counter and countless contributors to the online Kawasaki forum. I found no evidence that the tires had been changed before. The previous owner had kept every receipt possible. Now I just need to wash the beast...