Oil question...but not motorcycle related
Oil has got so confusing for me. I thought oil was oil and you could just about use any oil in anything. But I do look at the owners manuals to see just how much that's so wrong these days. But here's my question info getting to it. Got this darn lawn mower that lists a bunch of SAE letters they say is safe. You know, SJ, SM, SL and weights of oil. 30W, 10W-40. I have some 10W-50 I'd like to get rid of. Of those numbers, the owners manual listed one of those SAE letters that matched what the 10W-50 listed but 10W-50 wasn't one of the weights listed. But being that we are constantly in triple digits, I thought it would be safe. But when I pulled the dip stick, it listed the SAE letters as well, but that one letter that matched wasn't listed. So what exactly would happen if I went ahead and used that oil in this silly lawn mower? Crazy things is it's a Kawasaki engine. :confused::confused::confused: