Metzler 240 series rear tire has been used be serveral owners. The 200's would last 4-6k miles and mileage seems to be better with the 240. There is a branch of VROC called Rogue Owner's Group that can give you a lot of good info on your bike. I'll post the URL if I can find it. Their newsgroup is:
A forum community dedicated to Kawasaki Motorcycle owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, off-road, touring, street bikes, and more!