Mercury MERCRUISER - Page 215

2. Install the engine block core hole expansion plugs a minimum of 1/32" below the end of the lead in chamfer of the block
hole.
a - Core hole expansion plug
b - Tool
c - Minimum 1/32" below the end of the chamfer
Tube Ref No. Description Where Used Part No.
66
Loctite 242 Threadlocker Outside diameter of engine block core hole expansion plug 92-809821
3. Apply sealant to the threads of the oil gallery plugs.
4. Install the oil gallery plugs indicated. Tighten the oil gallery plugs to the specified torque.
a - Rear oil gallery plugs
a
a
b
c
59534
a
59504
Engine Inspection and Assembly
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 3B-13