I have honestly never used the Kawasaki brand for anything mowing related but I have never had an issue with their other products. If they stand by their name for all then I would say you have no issues to really worry about.
When you get it put some pictures on here so we can see a picture of it. I think you will be ok with that i see no problem there good luck and have fun with it enjoy
Got me a SS5060 2 weeks ago. Have only mowed a little with it, but what I mowed was tall dead grass and the mower performed very well. Got the kawasaki engine. Still learning how to drive the ztr. I do OK where I plenty of room, have to go very slow otherwise.
Kawasaki motors are awesome a lot better then the kholer courage they put on the time cutters just make sure u change the oil regular in it and it will last for ever