Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 139Get this manual
CYLINDER BLOCK AND CRANKCASE
Cylinder Block
REFREF NOQTY1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 TORQUE DESCRIPTION CYLINDER BLOCK OIL SEAL BALL BEARING FILLER CAP RING CAP GASKET BOLT BREATHER TUBE WASHER TUBING CLAMP CYLINDER HEAD (45 H.P CYLINDER HEAD (6 H.P GASKET DOWEL PIN GASKET THERMOSTAT COVER GASKET THERMOSTAT 126 degrees (52 degrees C) BOLT (M8 90 mm) BOLT (M8 60 mm) SPARK PLUG (NGK#DCPR6E) COVER GASKET BOLT (M6 20 mm) WASHER GASKET SET POWERHEAD (4 H.P POWERHEAD (5 H.P POWERHEAD (6 H.P lb-inlb-ft Nm