Recent content by rmiller86

I appreciate all the advice. I will try and find some 15w-40 diesel/gas oil, probably Rotella.

I have a 92 Ebbtide with a Yamaha inboard stern drive. The owners manual calls for 40w SF or SG oil. I cannot find SF or SG oil and very small quantities of 40w. The manual also states to use 20w-40 as a substitute or 20w-50 if the first 2 are unavailable. Any suggestions on where I might be...