Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 170Get this manual
9Torque screw plug to 75 lbin(8.3 Nm) 13Install pipe plug and tighten securely
Push Rod Ball Springring Screw Plug
1Olnstall lubricated O-ring to Valve Block11 lnstall plunger, ballspring (small), spring (large) in valve block (SlOW Trim Valve Assembly)12Apply Loctite Pipe Sealant with Teflon 592 to threads of pipe plug