1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 264Get this manual
Routine Inspections 1Check reservoir fluid level at least once per season or every 100 operating hoursSystem capacity is approximately 11.7 floz(345 ml): Tilt the motor and engage the trail lock levers Support the engine's weight with suitable hoist Remove the fill plug
Add OMC Power TrimlTilt and Power Steering Fluid or GM Dexron 1 automatic transmission fluid, as needed, to bring its level to the bottom of the fill plug threads
Install the fill plug and tighten to 45-55 inIbs(5-6 Nm) Disengage the trail lock levers and the hoist Cycle the unit at least complete cycles to purge all air from the systemWhen cycling the unit, hold the trim switch ON an additional to 10 seconds after the unit reaches the end of its travel before activating the switch in the opposite direction