Suzuki Wagon R Manual page 530

Alphabets stamped on
mating surface of cylinder
block
D If necessary, regrind crankshaft journal and select undersize
bearing to use with it as follows.
1) Regrind journal to following finished diameter.
Finished diameter: 44.732 – 44.750 mm
2) Using micrometer, measure reground journal diameter.
Measurement should be taken in two directions perpendicular
to each other in order to check for out-of-round.
3) Using journal diameter measured above and alphabets
stamped on mating surface of cylinder block, select an under-
size bearing by referring to table given below.
Check bearing clearance with newly selected undersize bear-
ing.
44.744 – 44.750 mm
(1.7616 – 1.7618 in.)
A Green & Red
B Black & Red
C Red only
Rear Oil Seal
Carefully inspect rear oil seal (1) for wear or damage. If its lip is worn
or damaged, replace it.
For oil seal (1) installation, press-fit rear oil seal so that oil seal
housing (2) end face is flush with oil seal end face.
(1.7611 – 1.7618 in.)
Measured journal diameter
44.738 – 44.744 mm
(1.7613 – 1.7616 in.)
Black & Red
Red only
Yellow & Red
Undersize bearing to be installed
ENGINE MECHANICAL 6A1-75
44.732 – 44.738 mm
(1.7611 – 1.7613 in.)
Red only
Yellow & Red
Blue & Red