Mercury 50

CYLINDER HEAD
90-828631R3 MARCH 1999 Page 4A-9
Intake/Exhaust Valves
REF.
TORQUE
REF
.
NO.
QTY. DESCRIPTION lb-in. lb-ft Nm
1 4 EXHAUST VALVE
2 4 INTAKE VALVE
3 8 SEAT–Valve Spring
4 8 SEAL–Valve Stem
5 8 VALVE SPRING–Outer
6 8 RETAINER–Valve Spring
7 16 KEY
8 8 ROCKER ARM
9 8 SCREW
10 8 NUT 120 10 13.5
11 1 ROCKER SHAFT
12 2 PLATE
13 1 PLATE
14 2 SPRING
15 5 SCREW (M8 x 30)160 160 13.3 18
16 2 PLUG