Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 39Get this manual
BOAT TESTING
muchOutboard lower units do not have provisions to accommodate such expansionIf the lubricant appears milky brown, indicating the presence of water, check should be made to determine how the water enteredIf large amounts of lubricant must be added to bring the lubricant up to the full mark, thorough inspection should be made to find the cause of the lubricant lossDraining Lower Unit The filldrain plug on JohnsonEvinrude lower units may be located towards the bottom of the unit on the port side, starboard side, or on the leading edge of the lower unitOn many models Phillips screw will be found very close to the fill drain plugNEVER remove this Phillips screw because the lower unit would then have to be disassembled in order to return the cradle for the shift dog back in placeRemove the drain plug and then remove the vent plug located just above the anticavitation plateFilling Lower Unit Position the drive unit approximately vertical and without list to either port or starboardInsert the lubricant tube into the FILLDRAIN hole at the bottom plug hole,