Cylinder Head Installation - Mercury 200 OptiMax Jet Drive Service Manual

6. Tighten the screws in sequence to the specified torque.
Description
Screws (19)

Cylinder Head Installation

1. Install the cylinder head combustion chamber seal with the grooved side towards the cylinder block.
2. Install the cylinder head seal.
3. Install the cylinder head with the thermostat towards the flywheel.
4. Apply 2‑Cycle Premium Outboard Oil to the new cylinder head screw threads and face.
5. Install the thermostat cover and gasket onto the cylinder head. Secure the thermostat cover and two M6 x 25 screws.
90-8M0050731 MAY 2011
19
18
10
13
6
3
2
7
11
16
17
15
14
9
5
1
4
8
12
16552
Nm
18
Powerhead
lb‑in. lb‑ft
160 13
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