What fuel/oil ratio do I use in a merc40?

[matnoo]

Cant find any tech on the net...

Mat

 

[jamesbell]

50:1
try a search for brunswick and search there site, (its in the download center section) some owner manuals are available for download

 

[jamesbell]

Here it is,

 

[VicS]

THE place for outboard info on the net is i Boats


But agreed, provided it is not older tha 1960, 50:1 using an outborad engine oil to TC-W3 specification see This article