Mercury Optimax 150 User Manual

POWERHEAD
Page 4A-24 90-855347R1 JANUARY 1999
Inspect crankshaft ball bearing as outlined in “Cleaning and Inspection,” following.
IMPORTANT: DO NOT remove crankshaft ball bearing, unless replacement is re-
quired.
19. Remove lower ball bearing from crankshaft as follows:
a. Remove retaining ring using a pair of snap ring pliers.
a
b
c
51854
a-Crankshaft Ball Bearing
b-Pliers
c-Retaining Ring
b. Press crankshaft out of lower ball bearing as shown.
51081
a
b
c
d
a-Press
b-Powerhead Stand (91-30591A1)
c-Crankshaft Ball Bearing
d-Universal Puller Plate (91-37241)

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)