Mercury 150 EFI Service Manual page 384

CYLINDER HEAD INSTALLATION
1. Install each cylinder head to engine block with thermostat pocket "UP". Apply light oil
to cylinder head bolt threads and torque bolts to 30 Ib. ft. (40.7 N·m) and rotate 90 .
2. Install thermostat washer into each cylinder head.
3. Install analog gauge temperature sensor into port cylinder head below #1 spark plug.
e
9
Loctite PST Pipe Sealant (92-809822)
9
90-883728 JULY 2001
f
c
d
k
b
a
g
h
i
j
a - Washer
b - Thermostat Cover
c - Hose
d - Clamp
e - Bolt (Torque to 200 Lb.
in. - 22.6 N·m)
f - 90 Elbow
g - Temperature Sensor
(Analog Gauge)
10
9
6
5
2
1
3
4
7
8
11
12
POWERHEAD
h - Bolt (Torque to 200 Lb.
in. - 22.6 N m)
i - Retainer
j - Bolt [Apply Light Oil to
Threads - Torque to 30
lb. ft. (40.7 N·m) and ro-
tate 90 ]
k - Thermostat (2) 143 F
(61.7 C)
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