What ever the book says (google will give it to you) - it will be a full synthetic oil either 5w30 or 10w30 (check the book) - the additives are as important as listed on the spec sheet.
These engines have a propensity of breaking crankshafts and one of the possible reasons is incorrect oil usage so stay exactly with what the book says.
Garry
These engines have a propensity of breaking crankshafts and one of the possible reasons is incorrect oil usage so stay exactly with what the book says.
Garry