Suzuki GA413 Service Manual page 888

6A-10 ENGINE MECHANICAL
1. Crank webs of No.2 and No.3 cylinders
1. Gaging plastic
2. Scale
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.
Alphabet stamped
on mating surface
(Bearing cap bore
dia.)
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.
UNDERSIZE BEARING (0.25 mm):
D 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
Numeral stamped on crank web
1
A Green
B Black
Colorless
C
New standard bearing to be installed.
Color painted
Green & Red
Black & Red
Red only
Yellow & Red
Blue & Red
(Journal diameter)
2 3
Black Colorless
Colorless Yellow
Yellow Blue
Bearing thickness
2.121 – 2.125 mm
(0.0836 – 0.0838 in.)
2.124 – 2.138 mm
(0.0836 – 0.0838 in.)
2.127 – 2.131 mm
(0.0837 – 0.0839 in.)
2.130 – 2.134 mm
(0.0839 – 0.0840 in.)
2.133 – 2.137 mm
(0.0840 – 0.0841 in.)