Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 227Get this manual
POWERHEAD
Cylinder Block and End Caps
REFNOQTY1 10 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 TORQUE DESCRIPTION CYLINDER BLOCK STUDpowerhead (1-34 IN STUDpowerhead (5-12 IN STUDpowerhead (6-34 IN DOWEL PINlocating DOWEL PIN (BEARING RACE) GASKETsealing PIPE PLUG (12-14) CHECK VALVE CHECK VALVE TUBING (19 IN STA STRAP FITTING (STRAIGHT)(STARBOARDTOPBOTTOM) FITTING (ELBOW) (STARBOARDCENTER) FITTING (ELBOW) (PORT) TUBING (16 IN (TOPBOTTOM) TUBING (20 IN (CENTER) TUBING (24-12 IN CONDUIT (7 IN FITTING TUBING (11-12 IN CONNECTOR STA-STRAP SCREW (38-16 3-14) SCREW (.312-18 1-14) CAP ADJUSTING SCREW (14-20 1-34) JAM NUT UPPER END CAP O-RING ROLLER BEARING BEARING RACE OIL SEAL SCREW (516-18 1) LOWER END CAP O-RING (3-14 INI.D OIL SEAL SCREW (14-20 34) LOCKWASHER BRACKET TPI LEVER SCREW -Bracket to crankcase BUSHING GROMMET THROTTLE POSITION SENSOR (INSIDE) SPACER THROTTLE POSITION SENSOR (OUTSIDE) SCREW -TPS to bracket (#10-32 2-34 IN THROTTLE LINK PLUG-Serial Number STA-STRAP-Oil Lines lb-in lb-ft Nm