Honda Civic Service Manual page 208

Main Bearing
Selection
CAUTION: lf the codes are indecipherable because of an
accumulation of dirt and dust, do not scrub them with a
wire brush or scraper. Clean them only with solvent ol
deiergent.
Crankshaft Bore Code Location
81642 engine:
Letters have been stamped on the end of the block as a
code for the size of each of the 5 main journal bores.
U s e t h e m , a n d t h e n u m b e r s o r b a r s s t a m p e d o n t h e
crank {codes for main journal size), to choose the correct
beaflngs.
M a i n J o u r n a l C o d e L o c a t i o n s { N o m b e r s o r B a r c )
Eearing ldentification
C o l o r c o d e r s
o n l h e e d g e o f
t h e b e a r n g .
L a r g e r c r a n k b o r e
a
c
D
- - - - - - - - - - - " " '
S m a l l e r b e a n n g t l h r c k e r )
9""1
B ' : " "
A l a c k
B l a c k
A l u e
7 - 1 0
\
D16Y5, D16Y7, D16Y8 engines:
Letters have been stamped on the end of the block as a
code for the size of each of the 5 main journal bores.
Use them, and the numbers stamped on the crankshaft
(codes for main journal size), to choose the correct bear-
I n g s .
Main Journal Code Location (Numbers)
\
C o l o r c o d e
o n t h e
edge of
t h e b e a r i n g -
L d r g e r c r a n k b o r e
S m a l l e r b e a n g { t h ' c k e r )
l r - l
t # l
t + , t l
f l 4 t l
f ' -
' t
Smaller Smaller
maan
bearing
journal
{thicker)
R e d
Pink
G r e e n
P i n k
G r e e n
Brown
Green
Brown
B l a c k
Green Brown
B l a c k
Elue
I
Bearing ldentification
B
c
D