Mercury 75 Service Manual page 229

Crankshaft, Pistons and Connecting Rods (4 Cyl.)
REF. REF.
QTY.
NO.
1 1 CRANKSHAFT ASSEMBLY
2 1 BALL BEARING (LOWER)
3 1 WEAR SLEEVE
4 1 O-RING
5 2 RING ASSEMBLY
6 2 KEY
7 1 DRIVER GEAR
8 3 ROLLER BEARING ASSEMBLY
9 4 PISTON ASSEMBLY (STANDARD)
9 AR PISTON ASSEMBLY (.015 O.S.)
9 AR PISTON ASSEMBLY (.030 O.S.)
10 8 LOCK RING
11 1 PISTON RING ASSEMBLY (STANDARD)
11 AR PISTON RING ASSEMBLY (.015 O.S.)
11 AR PISTON RING ASSEMBLY (.030 O.S.)
12 4 CONNECTING ROD ASSEMBLY
13 8 WASHER
14 116 NEEDLE BEARING
15 8 SCREW
16 4 ROLLER BEARING ASSEMBLY
17 1 ROLLER BEARING ASSEMBLY (UPPER)
18 1 OIL SEAL
19 1
90-830234R3 DECEMBER 1997
DESCRIPTION
O-RING
TORQUE
lb. in. lb. ft. N·m
Apply Light Oil to
Threads and Bolt
Face: 1st Torque -
15 lb. in. (1.7 N·m);
2nd Torque - 30 lb.
ft. (40.7 N·m) Turn
bolt an additional 90
after 2nd Torque
POWERHEAD - 4-17