Mercury MerCruiser MCM 454 Mag MPI Service Manual page 119

SERVICE MANUAL NUMBER 23
IMPORTANT: Turn both front engine mount adjustment nuts an equal amount in
direction required to align engine.
Index Index
90-861326--1 MARCH 1999
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c. Repeat step "b" until the alignment tool installs easily (SLIDES IN AND OUT
FREELY WITH TWO FINGERS) all the way into and out of engine coupler splines.
a - Alignment Tool (Use Only Quicksilver Alignment Tool-91-805475A1)
b - Insert This End Of Alignment Tool Through Gimbal Housing Assembly
a - Alignment Tool
b - Gimbal Bearing
c - Engine Coupler
d. Adjust front engine mounts until they rest on boat stringers.
e. Relieve hoist tension entirely and fasten both front mounts to boat stringer using
appropriate hardware (lag bolts or through-bolts, etc.).
f. Recheck alignment with alignment tool. Tool must enter coupler splines freely. If not,
readjust front mounts.
g. When alignment is correct, tighten locknut or nut with lockwasher on each mount
securely.
MCM MODELS - BRAVO AND BLACKHAWK DRIVES
b
a
c
b
a
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