What Oil to use in Merc 600's
03-23-2007 | 01:30 PM
#3
Charter Member # 55
Joined: Oct 2000
Posts: 20,272
Likes: 2,513
From: Omaha/LOTO
I use Mobil1 15/50 in my 525SC and change it every 25 hours. I also just saw the walmart started carrying it in 5 qt jugs again and in looks to be the old formula before the came out with all the new "special" versions.
