1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 334Get this manual
29Oil O-rings and install them on the manual release valveOil and install the manual release valveTighten the valve to torque of 45-55 inIbs(5-6 Nm)P,
129130Install the retaining ring with sharp edge facing out130131Slide the rod and cap up far enough to be able to install OMC Universal Spanner Wrench, PIN 912084Fill the cylinder up to bottom of the threadsf31132Thread the end cap into the cylinderTorque the end cap to 56-84 ftIbs(76-114 Nm)13233Fill the oil reservoir up to the fill plugInstall and tighten the fill plugDo not torque the plug at this time13334Run the motor, then recheck the oil levelCycle the unit several times and check the oil level when the cylinder is fully extendedTotal oil capacity is 11.7 floz(345 ml)Install and tighten the fill plug to torque of 45-55 inIbs(5-6 Nm)