Main Bearing Selection - Honda Motorcycle Service Manual

Measure and record the main bearing I.D.
Calculate the oil clearance by subtracting the journal O.D. from
bearing I.D. Replace the bearing if the service limit is
exceeded.
MAlN BEARING SELECTION
I
'Two-piece Type:
Record the crankcase I.D. code letters.
NOTE
Letters (A, B or C) on the upper crankcase are the codes
for the main journal 1.D.s from left t o right.
,CYLINDER GAUGE
measure the main journal O.D.).
NOTE
Numbers (1, 2 or 3)
on each crank weight are the codes
for the main journal 0.D.s from left t o right.
Record the corresponding main iournal O.D. code numbers (or
I
Cross reference the case and journal codes to determine the
replacement bearing color code.
Example:
ID. code o n the crankcase: A
0.0. code o n the crankshaft: 1
Bearing color code: Pink
CRANKCASE I.D. CODE
COLOR CODE
A
Date of Issue: Sep., 1 9 8 8
O
HONDA MOTOR CO., LTD
MAIN
O.D.
CODE
B
Yellow
- -
Green
Brown
C
Green
Brown
Black
1
2
3
Pink
Yellow
Green