
b. Remove the rear engine mounting bolts and hardware.
c. Using an overhead hoist, lift the engine enough to install a stainless steel washer inside the inner diameter of both
fiber washers.
NOTE: This will position the washer between the new engine mount and the transom mounting support, raising the
engine slightly for additional front mount adjustment.
a -
Fiber washer
b -
Steel washer
c -
Corrected mount area
d. Using the appropriate hardware as shown, install and tighten both rear engine mounting bolts to the specified torque.
a -
Rear engine mount
b -
Inner transom plate mount
c -
Bolt
d -
Washer
e -
Spacer
f -
Fiber washer
g -
Steel washer
Description
Nm
lb‑in.
lb‑ft
Rear engine mounting bolts
51
–
37.6
e. Set the engine on the boat stringers.
f.
Relieve the hoist tension.
g. Disconnect the sling from the engine lifting eyes.
19. Attempt to insert the solid end of the alignment tool through the gimbal bearing and into the engine coupler splines.
20. Repeat the necessary steps until the alignment tool easily slides (freely with two fingers) all the way into and out of the
engine coupler splines. Do not check by turning the alignment tool.
21. Fasten the front mount assemblies to the boat stringers using the appropriate hardware.
22. Tighten both front mount locking (jam) nuts to the specified torque.
Description
Nm
lb‑in.
lb‑ft
Front mount locking (jam) nuts
80
–
59
23. Recheck the alignment with the alignment tool. The tool must enter the coupler splines freely. If not, remove the alignment
tool and readjust the front mounts.
c
a
b
7940
a
c
d
f
e
g
b
7941
Installation
Page 2B-8
© 2016 Mercury Marine
90-8M0099748 eng DECEMBER 2015
Summary of Contents for MERCRUISER
Page 2: ......
Page 6: ...90 8M0099748 eng DECEMBER 2015 2016 Mercury Marine Page iv...
Page 12: ...General Information Notes Page 1A 6 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 70: ...Maintenance Notes Page 1C 54 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 96: ...Troubleshooting Notes Page 1D 26 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 156: ...Installation Notes Page 2B 52 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 202: ...Engine Disassembly Notes Page 3A 46 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 286: ...Engine Troubleshooting Notes Page 3C 14 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 314: ...Waste Spark System Notes Page 4B 8 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 330: ...Charging System Notes Page 4C 16 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 404: ...MPI ECT Fuel System Notes Page 5A 34 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 424: ...All Models Notes Page 6A 20 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 448: ...Models with Closed Cooling Notes Page 6C 20 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 462: ...Water Flow Diagrams Notes Page 6D 14 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 474: ...Important Information Notes Page 7A 12 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 477: ...Manifolds and Elbows Notes 90 8M0099748 eng DECEMBER 2015 2016 Mercury Marine Page 7B 3...
Page 538: ...Compact Hydraulic Steering Notes Page 8B 12 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 558: ...Notes Color Diagrams Page 10A 2 2016 Mercury Marine 90 8M0099748 eng DECEMBER 2015...
Page 559: ...Notes Color Diagrams 90 8M0099748 eng DECEMBER 2015 2016 Mercury Marine Page 10A 3...
Page 565: ......