1978 Johnson 2HP outboards Service Manual, Page 51Get this manual
JOHNSON 50 TO LUBRICANT We recommend using JOHNSON 50 LUBRICANTJOHNSON 50 LUBRICANT is designed specifically for Johnson outboard motor use at 50 to gasoline to lubricant ratio for engine break in and after break in, new and older modelsThis improved lubrication is formulated to provide additional benefits such as: exceptionallubrication, less varnish and combustion chamber depositsbetter spark plug life, good mixability with gasoline even in cold weatherand reduction of pre-ignition lliltl NOTE
If Johnson 50 Lubricant should not be available, see lubrication
instructions Section 2USE ONLY THE RECOMMENDED OIL TO GASOLINE MIXTURE, REGARDLESS OF THE CLAIMS MADE FOR SOME OILSI