Mercury 45 Jet 50-55 Service Manual page 148

REF. REF.
QTY.
NO.
1 1 CRANKSHAFT ASSEMBLY
2 1 BALL BEARING
3 1 RETAINING RING
4 2 KEY
5 1 DRIVER GEAR
6 1 ROLLER BEARING ASSEMBLY (TOP)
7 1 OIL SEAL
8 2 ROLLER BEARING ASSEMBLY (CENTER)
9 3 PISTON ASSEMBLY (STANDARD)
9 AR PISTON ASSEMBLY (.015 O.S.)
9 AR PISTON ASSEMBLY (.030 O.S.)
10 6 LOCK RING
11 1 PISTON RING (STANDARD)
11 AR PISTON RING (.015 O.S.)
11 AR PISTON RING (.030 O.S.)
12 3 CONNECTING ROD ASSEMBLY
13 6 WASHER
14 87 NEEDLE BEARING
15 6 SCREW
16 3 ROLLER BEARING
90-817643R1 DECEMBER 1996
Crankshaft, Pistons and Connecting Rods
DESCRIPTION
TORQUE
lb. in. lb. ft. N·m
1st Torque – 15 lb. in.
(1.5 N·m)
2nd Torque –
1/4 Bolt – 120 lb. in.
(13.5 N·m) + an addi-
tional 1/4 turn
5/16 Bolt – 27 lb. ft.
(36.5 N·m)
POWERHEAD - 4-9