I have read a thread on an oil leak coming our of the bottom plate under the clutch. I purchased a 165 2 weeks ago that is/ or was extremely clean looking(see photo). I only ran the tractor for 20 min before purchase, then only for another 1 hr after i got it home just to move a loader for it off a trailer. after it say and idled for about 30 min i noticed oil at the bolts then as it say after there was a small amount on the cardboard i put under it. perhaps an 8" circle soaked in. I have taken the plate off, and there is a gasket (see photos) which doesn't really look like it belinigs there and on the thread i previously read when instructed to remove the plate there was no mention of a gasket. The oil appears very black and the oil in the tractor was serviced back in Jan of this year and is quite clear. So my question is ,,,, Is this in fact a gasket of some kind or is it something the previous owner installed to keep the leak from being seen prior to purchase. And then what do i do about this? I should point out that i am NOT a mechanic. i can follow directions fine as long as they are strait forward. please assist see photos and please be kind .lol