4 Stroke Marine Oil or Quality Motor Oil?

jadssh

Petty Officer 3rd Class
Joined
Jul 9, 2009
Messages
80
Hello everyone, I am ready to drain my break-in oil in my Yamaha 115 4 Stroke and my 9.9 kicker. I checked the manual and it said to use a 4 Stroke outboard engine oil or YamaLube 4-M FC-W. I didn't know they made an engine oil specifically for a 4 stroke ouboard. I thought a good quality engine oil would do.

I thought I would ask what all of you are using in your 4 strokes. Thanks for the help everyone.......John
 

BaileysBoat

Senior Chief Petty Officer
Joined
Sep 29, 2008
Messages
716
Re: 4 Stroke Motor Oil?

Re: 4 Stroke Motor Oil?

Yamalube 10w30.
 

robert graham

Admiral
Joined
Apr 16, 2009
Messages
6,908
Re: 4 Stroke Motor Oil?

Re: 4 Stroke Motor Oil?

My son uses Castrol 10w30 automotive oil in his 2006 115HP Yamaha 4 stroke....it seems to be fine, but if you feel better using the Yamaha 4 Stroke Oil, then go for it! Good Luck!:)
 
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