Hello Everyone, Im new to this group. Hope someone can help me. I left my Mantis 4 cycle tiller on its side in the back of the shed for about a month. The tiller starts up fine, no problem. When I tried to use it the engine would rev up but tines were ceased. I worked on them and finally got them untuck and they turn fine except that now I head a metal on metal sound when they turn. Almost like bearings are shot or something is rubbing against a wal inside the transmission?? I opened the gearbox, it was dry ( no water) and plenty of grease. Anyone ever had this issue? Any idea what I should start changing to make it run properly again?