POWERHEAD
Page 4A-50 90-855347R1 JANUARY 1999
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. (41 N·m) then turn an addi-
tional 90°.
2. Install thermostat assembly into each cylinder head.
3. Install overheat temperature sensor into STARBOARD cylinder head below #1 spark
plug.
56168
1
2
3
4
5
6
7
8
9
10
11
12
a
b
b
b
b
c
c
d
e
f
g
h
i
j
k
l
a-Elbow (Starboard)
b-Sta-strap
c-Hose
d-Elbow (Port)
e-Bolt [Torque to 30 lb. ft. (41 N·m) and then turn 90°]
f-Bolt [Torque to 17 lb. ft. (23.0 N·m)]
g-Cover
h-Gasket
i-Thermostat (143°)
j-Temperature Sensor (Starboard)
k-Bolt [Torque to 17 lb. ft. (23.0 N·m)]
l-Retainer
NOTE: The temperature sender provides continuous temperature information to the ECU
while the engine is running. Should temperature reach approximately 221
°
F (104.5
°
C),
the ECU will activate a warning horn and warning light.
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