Mercury Optimax 150 User Manual

POWERHEAD
90-855347R1 JANUARY 1999 Page 4A-9
Cylinder Head
REF.
TORQUE
REF
.
NO.
QTY. DESCRIPTION lb-in lb-ft Nm.
1
1 CYLINDER HEAD (PORT)
1
1 CYLINDER HEAD (STARBOARD)
2 2 GASKET
3 24 BOLT (2 IN.)
30 lb-ft
(40.7 N·m) then
tighten additional 90°
4 4 DOWEL PIN
5 2 GASKET
6 2 COVER
7 2 THERMOSTAT (143 degrees)
8 4 SCREW (M6 x 25) 200 16.5 22.5
9 1 ELBOW (STARBOARD)
10 1 ELBOW (PORT)
11 1 HOSE (21-1/2 IN.)
12 1 HOSE (11-1/2 IN.)
13 5 STA-STRAP
14 1 TEMPERATURE SENSOR (STARBOARD)
15 1 RETAINER
16 1 SCREW (M8 x 12) 200 16.5 22.5

Mercury Optimax 150 Specifications

General

Horsepower	150 HP
Engine Type	V6
Alternator Output	60 amp / 756 watt
Starting	Electric
Steering	Remote
Displacement	2.5 L
Fuel Induction System	2-Stage Direct Fuel Injection (DFI)
Shaft Length	20", 25"
Dry Weight	431 lbs (20 in), 439 lbs (25 in)