Suzuki SY413 Service Manual page 4752

62G00-6A3-85-1S
62G00-6A3-85-3S
4) From number stamped on crank web No.2 and alphabets stamped
on lower crankcase, determine new standard bearing to be
installed to journal, by referring to table shown below.
For example, if number stamped on crank web No.2 is "1" and al-
phabet stamped on lower crankcase is "B", install a new standard
bearing painted in "Black" to its journal.
Alphabet
stamped
on lower
crankcase
(Cap bore dia.)
5) Using gaging plastic, check bearing clearance with newly selected
standard bearing.
If clearance still exceeds its limit, use next thicker bearing and re-
check clearance.
If clearance can not be still brought to within its limit even by using
a new standard size bearing, regrind crank pin to under size and
use 0.25 mm undersize bearing.
Crankshaft journal diameter (0.25 mm undersize):
57.732 – 57.750 mm (2.2729 – 2.2736 in.)
6) When replacing crankshaft or cylinder block and lower crank case
due to any reason, select new standard bearings to be installed by
referring to number stamped on new crankshaft or alphabets
62G00-6A3-237S
stamped on new lower crankcase.
1. Gaging plastic
2. Scale
ENGINE MECHANICAL 6A3-85
Number stamped on crank web
(Journal diameter)
1 2
Green Black
A
Black Colorless
B
Colorless Yellow
C
New standard bearing to be installed.
3
Colorless
Yellow
Blue