1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 263Get this manual
4Clamp shock rod in soft jawed vise5Position cylinder end cap onto rod as shown 9Remove shock rod assembly from vise10Install ball, seat, and spring (five sets) to shock rod piston
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CAUTION
When installing shock rod piston, spanner wrench must have14 inx 516 in(6.4mm x8mm) long pegs to avoid damage to shock rod piston6Apply Loctite Grade "A" (271) to threads on shock rod7Install shock rod piston8Tighten shock rod piston securely using spanner wrench (14 inx 516 inlong pegs)If torquing type spanner tool is used to tighten shock piston, then torque to 45 lbft(61 Nm)