All the dealer wants to do is sell me a battery, but Grasshopper equips their machines with Deka batteries, which are good batteries. Plus my battery passes load test, and when tested with either a Solar or SPX tester, it comes in around 40CCA higher than the rated 540CCA everytime... And if I take it to any other dealer close by, they put it on the back burner cause I didn't by machine there, not a good way to earn a new customer. I am wandering about the valve adjustment, the thing runs noticeably better. It used to lope, flutter and pop out of the exhaust when sitting there running free at about 1/2-2/3 throttle. While it is still not the smoothest, it is acceptable now. I am hoping my fuel economy improves too, this thing absolutely drinks fuel.