1972 Johnson 4HP Outboard Motor Service Manual, Page 2Get this manual
JOHNSON 50
1 OUTBOARD LUBRICANT
We recommend using JOHNSON OUTBOARD LUBRICANTOUTBOARD LUBRICANT is designed specfically for Johnson outboard motor use at 50 to gasoline to lubricant for engine break in and after break in, new and older modelsThis improved lubrication is formulated to provide additional benefits such as: tional lubrication, less varnish and combustion chamber deposits, better spark plug good mixability with gasoline even in cold weather, and reduction of pre-ignition
If Johnson Outboard Motor Lubricant should not
available, see