oil change question

tarpon

Seaman Apprentice
Joined
Oct 31, 2003
Messages
42
I have a Mercury 90 HP 4 stroke and am about to do an oil change.

The manual says to use SAE 10W30 however, I am unable to find any of that oil type in country (I live in Belize). I can get SAE 10W40. Would this be an acceptable substitute?

thanks
 
Top