1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 2Get this manual
EVINRUDE OUTBOARD OIL
We recommend using EVINRUDE OUTBOARD OILEVINRUDE OUTBOARD OIL is designed specifically for Evinrude outboard motor at 50 to gasoline to ratio for engine break in and after break in, new and older modelsThis improved lubrication is formulated to provide additional benefits such exceptionallubrication, less varnish and combustion chamber deposits, better spark plug good with gasoeven in cold weather, and reduction of pre-ignition
If Evinrude Outboard Motor