Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 164Get this manual
3Remove memory piston from cylinder using lock ring pliers (Craftsman PIN 4735) or suitable tool 5Remove tilt system from vise and empty fluid into appropriate container
Shock Rod Disassembly
1Place shock rod assembly on clean work surface2Remove screws securing plate to shock rod piston and O-ring3Remove check ball components from shock rod piston