Originally Posted by mark2gmtrans
Would you really trust a manufacturer's representative who was six years behind the curve on his knowledge of lubricants? Not so much.
Larry Berlin of Mack Boring response...
Hello Mr. Owen,
All we are saying is what Yanmar’s minimum requirement is.
Larry L. Berlin
A Division of Mack Boring & Parts Co.
My question if the above individual have ever met one another..or better yet been Yanmar serviced trained?? Larry can only speak for Yanmar as the OP's thread was a concern about his Yanmar..