RE: YS 91AC problems - please help
Your best approach is to send it in to Richard at our service dept. You could chase the thing with parts forever and not get it sorted out. He will figure it out quickly.
All you have to do is give him the info you just gave us here, and let him handle it.
YS Service
1295 Industrial Court
Gardnerville, NV 89410
Phone 775-782-4562