Mercury 25 EFI Service Manual page 294

Cylinder Head
g. Tighten the locknuts securely.
a
IMPORTANT: When tightening locknuts, hold the adjusting screw with a square drive socket or crescent wrench to
prevent the adjusting screw from moving.
Description
Locknut
h. Install the spark plugs.
i. Install the cylinder head cover.
j. Install the flywheel cover and timing belt cover. Refer to Section 8A ‑ Recoil Starter.
Page 4B-22
a - Timing mark on block
b - Timing marks on camshaft gear
b
11804
© 2016 Mercury Marine
Nm lb. in.
7 62
90-8M0105568 eng MARCH 2016
lb. ft.