Suzuki GA413, Service Manual

Page: 374 / 1246

4) From numerals stamped on crank webs of No.2 and No.3 cylin-
ders and the alphabets stamped on mating surface of cylinder
block, determine new standard bearing to be installed to jour-
nal, by referring to table given below.
For example, if numeral stamped on crank web is “1” and alpha-
bet stamped on mating surface is “B”, install a new standard
bearing painted in “Black” to its journal.
1. Crank webs of No.2 and No.3 cylinders
1
Green
Black
Colorless
2
Black
Colorless
Yellow
3
Colorless
Yellow
Blue
A
B
C
Numeral stamped on crank web
(Journal diameter)
Alphabet stamped
on mating surface
(Bearing cap bore
dia.)
New standard bearing to be installed.
5) Using gaging plastic, check bearing clearance with newly se-
lected standard bearing.
If clearance still exceeds its limit, use next thicker bearing and
recheck clearance.
6) When replacing crankshaft or cylinder block due to any reason,
select new standard bearings to be installed by referring to nu-
merals stamped on new crankshaft or alphabets stamped on
mating surface of new cylinder block.
1. Gaging plastic
2. Scale
UNDERSIZE BEARING (0.25 mm):
0.25 mm undersize bearing is available, in five kinds varying in
thickness.
To distinguish them, each bearing is painted in following colors
at such position as indicated in figure.
Each color represents following thickness at the center of bear-
ing.
1. Paint
6A-68 ENGINE MECHANICAL
Color painted Bearing thickness
Green & Red
2.124 – 2.128 mm
(0.0836 – 0.0838 in.)
Black & Red
2.127 – 2.131 mm
(0.0837 – 0.0839 in.)
Red only
2.130 – 2.134 mm
(0.0839 – 0.0840 in.)
Yellow & Red
2.133 – 2.137 mm
(0.0840 – 0.0841 in.)
Blue & Red
2.136 – 2.140 mm
(0.0841 – 0.0843 in.)