Mercury FourStroke 2.5, Service Manual, Page: 120 / 205

Powerhead
90-8M0065421 NOVEMBER 2012 Page 4A-39
14. Apply a continuous bead of Loctite Master Gasket to the contact surface of the crankcase. Follow the instructions
contained in the Loctite Master Gasket Kit.
a - Camshaft/gear
assembly
b - Crankshaft timing mark
c - Camshaft timing mark
d - Cylinder block mating
surface
Tube Ref No. Description Where Used Part No.
110
4-Stroke 10W-30
Outboard Oil
Camshaft ends and lobes 92-858045K01
12
Loctite Master Gasket Kit Cylinder block mating surfaces 92-12564 2
15. Assemble the cylinder block housings.
16. Secure the cylinder block housings with eight bolts.
17. Tighten the bolts in sequence to the specified torque.
6
7
8
2 1
5
4 3
26589
Description Nm lb‑in. lb‑ft
Cylinder block housing bolts (M6 x 35) 11 97
Driveshaft Seal Replacement
1. Remove the seals using a bearing puller.
Bearing Puller Assembly 91‑83165T
2. Lubricate the O‑ring with 4‑Stroke 10W‑30 Outboard Oil.
3. Lubricate the inside diameter of the seals with 2‑4‑C with PTFE.
a
b
c
26599
d