Gear Housing Disassembly; Bearing Carrier Disassembly - Mercury 25 EFI Service Manual

a - Design 2 model shift shaft coupler
b - Lower shift shaft
c - Upper shift shaft pin
d - Coupler (with threaded lower shift shaft)
e - Upper shift shaft
4. Remove one nut and four bolts securing the gearcase to the driveshaft housing and remove the gearcase.
a

Gear Housing Disassembly

IMPORTANT: It is recommended that during complete disassembly of gear housing, all O‑rings and oil seals be replaced
regardless of their appearance.

Bearing Carrier Disassembly

1. Remove the two bolts securing the bearing carrier.
a
90-8M0105568 eng MARCH 2016
21059
a - Bolts
16915
d
c
b
a - Bolts and washers (two each side)
b - Nut and washer
b
© 2016 Mercury Marine
Gear Housing
e
a
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