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Mercury 40 FourStroke User Manual

Mercury 40 FourStroke
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BIGFOOT GEAR HOUSING
Page 6B-30 90-857046R1 NOVEMBER 2001
Reassembly
Forward Gear Bearing Race
NOTE: Propshaft should be vertical when installing bearing race.
1. Place shim(s) (retained from disassembly) into housing. If shim(s) were lost, or a new
gear housing is being assembled, start with 0.010 in. (0.254 mm) shim(s).
2. Assemble components as shown using mandrel (91-31106). Apply 2-4-C Marine Lubri-
cant with Teflon to O.D. of race. Drive race into housing by striking propeller shaft end
with lead hammer.
NOTE: Install a nut on the end of the propshaft to prevent damage to the propshaft threads
while performing step 2.
19179
b
d
e
a
c
91-31106
95
2-4-C Marine Lubricant with Teflon
95
a- Shim(s)
b- Race
c- Mandrel (91-31106)
d- Disassembled Propeller Shaft
e- Assembled Bearing Carrier
Shift Shaft
1. Apply Loctite 271 on O.D. of new seal.
2. Press seal into shift shaft bushing until seal is seated against shoulder.
3. Install new O-ring.
4. Apply 2-4-C Marine Lubricant with Teflon on O-ring and I.D. of seal.
53930
b
7
Loctite “271”
7
95
95
a
c
2-4-C Marine Lubricant with Teflon
a- Seal
b- Bushing
c- O-ring

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Mercury 40 FourStroke Specifications

General IconGeneral
BrandMercury
Model40 FourStroke
CategoryOutboard Motor
LanguageEnglish

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