11. Ensure that the timing marks on the crankshaft drive gear and the camshaft driven gear are still aligned with the
corresponding marks on the engine.
a - Crankshaft drive gear timing mark
b - Timing mark on the cylinder block for the crankshaft
c - Timing mark on the cylinder block for the camshaft
d - Timing mark for #1 cylinder
e - Timing mark for #2 cylinder
12. Install the timing belt.
13.
Adjust the valve clearance. Refer to V
alve Adjustments.
14. Install the gasket into the groove of the cylinder head cover.
15. Install the four cylinder head cover screws. Tighten the screws to the specified torque.
a - Screw (M6 x 30) (4)
b - Cylinder head cover
Cylinder Head
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 4B-23
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