1998 Johnson Evinrude "EC" 40 thru 55 2-Cylinder Service Manual, P/N 520206, Page 334Get this manual
12s1 In 29Oil a-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)
1291 30Install the retaining ring with sharp edge facing out130 31Slide the rod and cap up far enough to be able to install
OMC Universal Spanner Wrench, PI 912084Fill the cylinder up to bottom of the threads32Thread the end cap into the cylinderTorque the end cap to 56-84 ftIbs(76-114 Nm)