Mercury 40 FourStroke User Manual

CYLINDER BLOCK/CRANKCASE
Page 4B-2590-857046R1 NOVEMBER 2001
Cylinder Block Reassembly
Selecting New Main Bearings
1. Locate the main bearing code letters on the cylinder block.
2. Refer to the following reference chart to select the correct main bearings.
3. Use the color coded main bearings that match the main bearing code letter.
Main Bearing Code
Letter
Main Bearing Color Code
A Blue
B Black
C Brown
#1
#2
#3
ABC
a
b
#4
a-Main Bearing Code Letters
b-Main Bearing Identification Color Location

Mercury 40 FourStroke Specifications

General

Brand	Mercury
Model	40 FourStroke
Category	Outboard Motor
Language	English