Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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ENGINE MECHANICAL (H25 ENGINE) 6A2-103
2) Next, check crankcase (bearing cap) bore diameter without
bearing. On lower surface of lower crankcase 4 alphabets
are stamped as shown in figure.
Three kinds of alphabets (A, B and C) represent following
cap bore diameters.
Main bearing cap bore diameter specification
3) There are five kinds of standard bearings differing in thick-
ness. To distinguish them, they are painted in following col-
ors at the position as indicated in figure.
Each color indicates following thickness at the center of
bearing.
Standard size main bearing specification
Stamped alphabet
Bearing cap bore diameter
(without bearing)
A
70.0000 – 70.0060 mm
(2.7559 – 2.7561 in.)
B
70.0061 – 70.0120 mm
(2.7562 – 2.7563 in.)
C
70.0121 – 70.0180 mm
(2.7564 – 2.7566 in.)
1. Crankshaft pulley side 4. No.2 bearing
2. Stamped alphabets 5. No.3 bearing
3. No.1 bearing 6. No.4 bearing
Color painted Bearing thickness
Black
2.496 – 2.500 mm
(0.09827 – 0.09843 in.)
Colorless (no paint)
2.499 – 2.503 mm
(0.09839 – 0.09854 in.)
Yellow
2.502 – 2.506 mm
(0.09851 – 0.09866 in.)
Blue
2.505 – 2.509 mm
(0.09863 – 0.09879 in.)
Pink
2.508 – 2.512 mm
(0.09874 – 0.09889 in.)
1. Paint