Quote: Originally Posted by
Henriksen2001
I have been using the synthetic blend brp oil, but the owners manual calls for 5-40 full synthetic. The only full synthetic the dealer has is the winter blend. I am guessing this is 5-40 but it doesnt say.
I believe you are right, when I went to get oil, my dealer said the XP-S 5w40 was winter oil. She said the 10w40 would be fine, as it is summer oil. Not sure why the DS450 would say to put winter oil?...