Mercury Optimax 115 Service Manual page 231

POWERHEAD
Cylinder Head
12
13
9
8
9
6
16 15
6
Dielectric Grease (92-823506--1)
Loctite PST Pipe Sealant (92-809822)
9
2 Cycle Outboard Oil (92-13249A24)
14
A = TO STRAIGHT FITTING ON BACK OF EXHAUST PLATE
Page 4A-8
10
13
11
13
A
5
7
6
14
Water Fitting Orientation
Looking Down at Top of Block
9
13
14
3
1
4
15
Back of Engine
4
2
90-855347R1 JANUARY 1999