But 6 month wait to ride it

Season's over 🥲 The ski is winterized and parked on the trailer in the driveway till spring. Right now it's wearing a generic cover that only sort of fits, kind of like a borrowed jacket haha.
Is that fine for just sitting there, or is it worth getting one made for the model? Mostly worried about water pooling on top and the seat cracking.

My 2005 Yamaha FX1100 HO Cruiser is losing or leaking oil while sitting on the trailer.

Oil filter is normal and tight seal. Where should I check for a static leak? I do have acheap endosope, so I can "look" under things, but I really dont know where to look.

WHere should I look for leaking oill in the sump path.