Ok crazy question. Was out of the sport for about 4 years due to relocation/work/etc. Before storing I changed oil to Motul double ester full synthetic atv oil. Drained gas etc. Battery on Tender.

Question – Bike started up and runs like the day I bought it. Checked oil and it looks brand new after a couple rides. Seems like a waste to change oil but is oil somehow "spoiled"/degraded after sitting for a period of time? I have searched forum but havent found any answers on this except that dino oil degrades if left to sit. Considering the quality of oil does this make a difference? i.e still good to go? A 4l jug of that stuff is about $90 where I live and if still good….

For what its worth bike has a total of 22hrs use and this was my 3rd oil change (but first with full synthetic oil).

Thanks,

Wayne