Mercury 25 EFI Service Manual page 245

Tube Ref No.
10W-30 4-Stroke Marine
110
Engine Oil
Three Bond 1217F
135
Special Tools
Piston Ring Compressor
90-8M0105568 eng MARCH 2016
Description
Compresses the piston rings to ease piston installation
8745
Where Used
Crankcase cover bolt threads
Piston, piston rings, and cylinder bore
Connecting rod and crankshaft main bearings
Main bearing bolt and perimeter bolt threads
Flange screw O-ring
Cylinder head cover seal
Cylinder block crankcase mating surface
© 2016 Mercury Marine
Cylinder Block/Crankcase
FT2997
Part No.
92-8M0078625
92-858005K02
Page 4A-3