Is that a JS or JA 65 series mower? If so, just get rid of it. Deere's venture into mass marketing, and they failed with those too.
The JX/JE series and 14SB mowers, however, have been awesome, just expensive. I buy them from time to time and give them to folks who need them. I used to make a good bit of money on them, because a lot of people were still paying top dollar for clean ones. That kind of sunsetted and I generally just give them away now. Always get to work on them, though...general servicing is about all they ever need. Blade here and there and an occasional blade brake clutch on the rougher used ones. I still have two of them, I keep the bad one and my mom is getting the other one which looks cuts runs like a brand new one.