1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 28Get this manual
Off-Season Storage Use the following procedure to properly prepare Johnson and Evinrude outboards for extended periods of non-useThese steps are intended to protect the engine during storage and simplify the preseason servicing procedure1Stabilize the engine's fuel supply with OIVIC 2+4fuel conditioner, following directions on the bottleI Note
Use flushing attachment if you operate the engine on trailer or dolly to prevent engine or water pump damage
When using flushing attachment, always remove engine's propeller before starting engine to prevent accidental contact with moving propeller
2Run the engine at approximately 1500 RPM for five minutes to ensure that the entire fuel supply system and the engine's carburetors are full of stabilized fuel3Prepare an engine "storage mixture" in shop V6 six-gallon tankThe mixture should include: Five gallons of fuel Two quarts of OIVIC Storage Fogging Oil One pint of Evinrude or Johnson Outboard Lubricant 2112 ozof OIVIC 2+4 fuel conditioner 4Connect the tank containing the "storage mixture" to the engineRun the engine on the "storage mixture" at approximately 1500 RPM for five minutesINotel