1996 Johnson Evinrude "ED" 90 CV 88 thru 115 Service Manual, P/N 507126, Page 70Get this manual
G:!] Place vacuum passage O-ring into cavity1 Apply OMC Triple-Guard grease to one end of the poppet 121 spring and install greased end onto the air motor diaphragm's poppet valve(The grease will help stabilize the spring while assembling Install the air motor spring onto the air motor diaphragm