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Mercury FourStroke 3.5 User Manual

Mercury FourStroke 3.5
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Gear Housing
Page 6A-28 90-8M0065421 NOVEMBER 2012
5. Secure the water pump cover to the gear housing with four bolts. Tighten the bolts to the specified torque.
6. Lubricate the I.D. of the water tube seal with a light coat of 2‑4‑C with PTFE.
a - Bolts
b - Seal
Tube Ref No. Description Where Used Part No.
95
2-4-C with PTFE Inside diameter of water tube seal 92-802859A 1
66
Loctite 242 Threadlocker Water pump cover bolt threads 92-809821
Description Nm lb‑in. lb‑ft
Pump cover bolts 5.6 50
Gear Housing
Filling the Gear Housing with Lubricant
NOTE: The gear housing lubricant capacity is approximately 180 mL (6.1 fl oz). Use Premium or High Performance Gear
Lubricant in the gear housing.
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat out of the water with a propeller installed.
Before installing or removing a propeller, place the drive unit in neutral and engage the lanyard stop switch to prevent the
engine from starting. Place a block of wood between the propeller blade and the anti‑ventilation plate.
1. Remove the oil fill screw and gasket.
IMPORTANT: Do not add lubricant without removing the oil level screw. The gear housing cannot be filled because of
trapped air. Fill the gear housing when the driveshaft is in the vertical position.
2. Remove any gasket material from the oil fill screw, oil level screw, and the gear housing. Install new gaskets on the oil fill
screw and the oil level screw.
b
a
a
25645

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Mercury FourStroke 3.5 Specifications

General IconGeneral
BrandMercury
ModelFourStroke 3.5
CategoryOutboard Motor
LanguageEnglish

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