Suzuki Jimny Service Manual page 566

2) Next, check bearing cap bore diameter without bearing. On
mating surface of cylinder block, five alphabets are stamped
as shown in figure.
Three kinds of alphabets ("A", "B" and "C") represent the fol-
lowing cap bore diameters.
Stamped alphabets on cylinder block represent bearing cap
bore diameter marked with an arrow in figure respectively.
For example, stamped "A" indicates that corresponding
bearing cap bore diameter is 49.000 – 49.006 mm (1.9291 –
1.9294 in.).
Crankshaft bearing cap bore
Stamped alphabet
A
B
C
3) There are five kinds of standard bearings differing in thick-
ness. To distinguish them, they are painted in the following
colors at the center of bearings.
Each color indicates the following thickness.
Standard size of crankshaft main bearing
Color painted
Pink
Purple
Brown
Green
Black
1. Paint
ENGINE MECHANICAL (M13 ENGINE) 6A1-85
Bearing cap bore diameter
(without bearing)
49.000 – 49.006 mm
(1.9291 – 1.9294 in.)
49.006 – 49.012 mm
(1.9294 – 1.9296 in.)
49.012 – 49.018 mm
(1.9296 – 1.9298 in.)
Bearing thickness
1.990 – 1.994 mm
(0.0783 – 0.0785 in.)
1.993 – 1.997 mm
(0.0785 – 0.0786 in.)
1.996 – 2.000 mm
(0.0786 – 0.0787 in.)
1.999 – 2.003 mm
(0.0787 – 0.0789 in.)
2.002 – 2.006 mm
(0.0788 – 0.0790 in.)