FishOn Posted April 12, 2009 Report Share Posted April 12, 2009 Hey guys. I need some help with my 2001 dumb ass Suzuki 115hp 4 stroke that I just bought. Like to change the oil on the outboard. I don't know what kind of oil the last owner used for this engine. I have the original manual and it's asking for a Suzuki oil grade of 10W40. Wen't to a Suzuki dealership today and the parts counter person tried selling me a Motorcycle engine oil 10W40. That is all he had....After reading the back of the container it's says that this oil can be also used in outboards as well. Not sure about howmuch he knew about outboard engines. Anyways went on the Suzuki web site and they do have a 10W40 Marine engine oil . Well, my question is will the motorcycle engine work with the outboard??? Also, I am considering going with Amsoil Synthetic 10W40.. Any help will be appreciated.... Cheers Link to comment Share on other sites More sharing options...
ohhenrygsr Posted April 12, 2009 Report Share Posted April 12, 2009 you try calling suzuki marine to find your closest dealer? Link to comment Share on other sites More sharing options...
2 tone z71 Posted April 12, 2009 Report Share Posted April 12, 2009 Fish on, the oil he sold you will be fine its all the same,you could use 10W40 from any company,go to Wall Mart C - Tire etc,nice choice in engines by the way Link to comment Share on other sites More sharing options...
fishboy Posted April 12, 2009 Report Share Posted April 12, 2009 I have a Suzuki 4-stroke also; any quality oil will work. Suzuki certainly doesn't have it's own refinery. Just be sure to change it each year-most cost effective maintenance you'll ever do. Link to comment Share on other sites More sharing options...
FishOn Posted April 12, 2009 Author Report Share Posted April 12, 2009 Thanks for the info. I have two dealers here close to me. One is Suzuki Newmarket and The Atc Corral in Stouffville. I started the engine yesterday. You can't here this thing run. Also was reading on the fuel grade and it requires at least 91 octaine. Good to know at these gas prices LOL. Link to comment Share on other sites More sharing options...
irishfield Posted April 12, 2009 Report Share Posted April 12, 2009 (edited) Like the Shark said. Most marinas use nothing but normal off the shelf car oil for the smaller 4 stroke outboards. Mine uses Shell.. water cooled is well water cooled! Edited April 12, 2009 by irishfield Link to comment Share on other sites More sharing options...
Fisherman Posted April 12, 2009 Report Share Posted April 12, 2009 (edited) Also was reading on the fuel grade and it requires at least 91 octaine. Good to know at these gas prices LOL. Not trying to play the octane game of which is better, but, I checked my manual and they have different ways of calculating the octane rating which is sometimes misunderstood. The method most commonly used in North America, R+M, MON or PON versus RON in most of the rest of the globe works out that the 87 Reg grade here is equal to the 91 Reg grade called for in the manual. If you want to check, see here: http://en.wikipedia.org/wiki/Octane_rating Scroll down about 1/2 way. Edited April 12, 2009 by Fisherman Link to comment Share on other sites More sharing options...
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