What weight oil?

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Apr 1, 2012
143
Pearson 424 Charleston, SC
I will be hauling out for the winter this weekend and would like to change the oil on my M25XP, can someone please tell me the proper weight oil to use.
Thanks
 
Feb 26, 2004
22,776
Catalina 34 224 Maple Bay, BC, Canada
I've been using Delo400LE 15W-40 CJ
for many years now.

IIRC, the thing you do NOT want to use is synthetic oils. There have been reports of it attacking the seals on the engine.

Just get a good grade multivis diesel rated oil.
 
Apr 1, 2012
143
Pearson 424 Charleston, SC
Thank you Stu. I just couldn't remember the weight suggested by the manufacturer and my boat manual is where it should be, on the boat, 180 miles away!
 
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