Mercury 25 EFI Service Manual page 268

Cylinder Block/Crankcase
7. Install the camshaft gear and secure with a washer and bolt. Tighten the bolt to the specified torque.
Description
Camshaft gear bolt
8. Install the timing belt. Refer to Section 2C ‑ Timing Belt Installation.
9. Adjust the valves. Refer to Section 4B ‑ Valve Adjustment.
10. Install a new seal in the cylinder head cover and lubricate the cylinder head seal with 10W‑30 4‑Stroke Marine Engine Oil.
11. Install the cylinder head cover. Tighten the cylinder head cover bolts in two steps to the specified torque.
12. Install the fuel pump. Tighten the bolts to the specified torque.
b
a
Tube Ref No.
10W-30 4-Stroke Marine
110
Engine Oil
Description
Cylinder Head Cover Bolts (8)
Fuel Pump Bolts (2)
13. Install the powerhead assembly onto the driveshaft housing. Refer to Powerhead Installation, following.
14. Install the fuel components. Refer to Section 3C ‑ Fuel System.
15. Install the electrical components. Refer to Section 2A ‑ Electrical.
Page 4A-26
a -
a
11802
a - Cylinder head cover bolts (8)
b - Fuel pump bolts (2)
a
11485
Description
© 2016 Mercury Marine
Camshaft gear bolt
Where Used
Cylinder head cover seal
Nm lb. in.
11 97
Part No.
92-8M0078625
Nm lb. in.
6 53
9 80
6 53
90-8M0105568 eng MARCH 2016
lb. ft.
lb. ft.