1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 159Get this manual
3Apply oil to bolt threadsTighten bolts in sequence and in two steps to the specified torque 4Install the oil pressure and temperature switch
aCenter Bolts (10)Outer Bolts (10)
Crankcase Cover Bolt Torque
Center Bolts Qty10 (Larger Diameter M8) 1st: 11 Ib ft (15 Nm) 2nd: 22 Ib ft (30 Nm) Outer Bolts Qty10 (Smaller Diameter M6) 1st: 53 Ib in (6 Nm) 2nd: 106 Ib in (12 Nm)
Exhaust Cover Installation