Happyjack 2 Report post Posted May 30, 2012 Anyone know off hand how much oil I need for my 2001 Mercury 40 hp 4 stroke?Thanks Quote Share this post Link to post Share on other sites
WalleyeWayne 137 Report post Posted June 1, 2012 Can't help yah out HJ as I have a 2 stroke Merc which is of course oil injected. Why not call one of the site sponsors? They will know and it's good PR for the site. Quote Share this post Link to post Share on other sites
crisop 65 Report post Posted June 1, 2012 should be 3.0 litershttp://www.mercurymarine.com/media/mercury/documents/0911_maintenance-40to60FS.pdf Quote 2017 Dog Lake Open Champion Line Cutter Fishy AF Share this post Link to post Share on other sites
Happyjack 2 Report post Posted June 4, 2012 Thanks crisop - I eventually found a service manual online and confirmed you are corrct. Thanks again all. Quote Share this post Link to post Share on other sites