Mercury 25 EFI Service Manual page 264

Cylinder Block/Crankcase
Description
Connecting rod cap bolts
8. Clean the cylinder block crankcase mating surface and the crankcase cover mating surfaces of debris.
9. Apply a continuous 1 mm (0.040 in.) bead of Three Bond 1217F onto the cylinder block crankcase mating surface.
Tube Ref No.
Three Bond 1217F
135
10. Ensure the crankshaft seals are centered in the cylinder block seal area.
11. Install the crankcase cover.
12. Lubricate the eight main bearing bolt threads, and the eight perimeter bolts threads with 10W‑30 4‑Stroke Marine Engine
Oil. Tighten the bolts in two steps in the sequence shown, to the specified torque.
Tube Ref No.
10W-30 4-Stroke Marine
110
Engine Oil
Description
Main bearing bolts (8)
Description
Perimeter bolts (8)
13. Install starter lock cable bracket. Secure the starter lock cable bracket with a bolt. Tighten the bolt to the specified torque.
Description
Starter lock cable bracket bolt
14. Install the drive gear key into the crankshaft.
Page 4A-22
Description
5
15
1
11
4
9
13
8
Description
© 2016 Mercury Marine
First
Final
Where Used
Cylinder block crankcase mating surface
6
16
2
12
3
10
14
7
11734
Where Used
Main bearing bolt and perimeter bolt threads
First
Final
First
Final
a
11593
Nm lb. in.
6 53
12 106
Part No.
92-858005K02
Part No.
92-8M0078625
Nm lb. in.
10 88.5
23.5
Nm lb. in.
6 53
11.5 101.8
Nm lb. in.
6 53
90-8M0105568 eng MARCH 2016
lb. ft.
lb. ft.
17
lb. ft.
lb. ft.