Description Nm lb‑in. lb‑ft
Flywheel housing cover screws 9 80 –
5. Install the ground wires.
6. Install the power steering cooler (if equipped).
7. Install the water hoses.
8. Install the power package in the boat.
Oil Lines
1. Install the O‑rings onto the oil lines.
2. Lubricate the O‑rings with Mercury 25W‑40 Synthetic Blend 4‑Stroke Engine Oil.
Tube Ref No. Description Where Used Part No.
139
Mercury 25W-40
Synthetic Blend 4-Stroke
Engine Oil
O-rings 92-8M0078629
3. Install the oil lines along with the retaining bracket onto the engine block.
4. Secure the retaining bracket with two screws. Do not tighten the screws.
5. Install the oil lines along with the retaining bracket onto the oil filter housing.
6. Secure the retaining bracket with two screws.
7. Verify the oil lines are properly seated and tighten the screws to the specified torque.
a - Oil lines
b - O‑rings (four, 1 on
each oil line)
c - Retaining bracket
(two)
d - Screws (four)
Engine Inspection and Assembly
Page 3B-66 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015
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