Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 382Get this manual
3Install bolts and seal washers (a) with Bmm wrenchTorque bolt to 30 lbin(3.30 Nm) using torque pattern shown (see inset) 5Install cover, cap and fill neck strainerIMPORTANT: Replace strainer if holes or tears are present in screen