1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 283Get this manual
22Install new motor a-ring
rn 24Oil and place the pump control piston in the manifold
23Position the motor on the manifold and install the four screws and lock washersTighten the screws to 35-52 inIbs(4-6 Nm)W
25Oil and install the components of the down check valve