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Mercury 20 EFI FourStroke Service Manual

Mercury 20 EFI FourStroke
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2. Rotate the driveshaft while seating the bearing carrier assembly into the gear housing, to ensure that the pinion and
reverse gears are in mesh.
a - Propeller shaft
b - Bearing carrier assembly
Tube Ref No. Description Where Used Part No.
95
2-4-C with PTFE Bearing carrier O-ring 92-802859A 1
3. Secure the bearing carrier with two screws. Tighten the screws to the specified torque.
a - Screws (2)
Description Nm lb‑in. lb‑ft
Bearing carrier assembly screws 9.0 79.6 –
Gear Housing Installation
!
WARNING
Accidental starting can cause serious injury. Before removing or installing the gear housing, disconnect and isolate the spark
plug
leads. Disable the ignition system by removing the keys from the ignition (if equipped) and engaging the lanyard stop
switch to prevent the engine from starting.
1. Remove and isolate the spark plug leads from the spark plugs.
2.
Place the shift handle (tiller models) or shift lever (remote control models) into reverse.
3. Place the gear housing into reverse by pushing down on the lower shift shaft until it stops. A hard stop should be felt as the
shift shaft spring pin comes to rest on the tabs at the bottom of the shift shaft bracket.
4. Apply 2‑4‑C with PTFE to the driveshaft splines.
a
b
6545
a
6532
Gear Housing (2.15:1)
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 6A-39

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Mercury 20 EFI FourStroke Specifications

General IconGeneral
BrandMercury
Model20 EFI FourStroke
CategoryEngine
LanguageEnglish

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