1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 59Get this manual
Off-Season Storage Use the following procedure to properly prepare Johnson and Evinrude outboards for extended periods of nonuseThese steps are intended to protect the engine during storage and simplify the preseason servicing procedure1Stabilize the engine's fuel supply with OMC 2+4 fuel conditionerAdd one ounce of OMC 2+4 fuel conditioner for every gallon of gasoline
INote Use flushing attachment if you operate the engine on
a trailer or dolly to prevent engine or water pump damage
engine's propeller before starting engine to prevent accidental contact with moving propeller2Run 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 tank PI 395744The mixture should include: Five Two One One gallons of fuel quarts of OMC Storage Fogging Oil PIN 171703 pint Evinrude or Johnson Outboard Lubricant pint OMC 2+4 fuel conditioner PIN 174275