Suzuki 2000 Grand Vitara SQ625 Service Manual page 414

6A2-90 ENGINE MECHANICAL (H25 ENGINE)
Alphabets stamped Al h b t t d
on lower crankcase on lower crankcase
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.
Green & Red
Black & Red
Red only
Yellow & Red
Blue & Red
1. Paint
D If necessary, regrind crankshaft journal and select undersize
bearing to use with it as follows.
1) Regrind journal to following finished diameter.
2) Using micrometer, measure reground journal diameter.
3) Using journal diameter measured above and alphabets stamped
64.744 – 64.750 mm
(2.5489 – 2.5492 in.)
A Green & Red
B Black & Red
C Red only
Color painted
Finished diameter: 64.732 – 64.750 mm
(2.5485 – 2.5492 in.)
Measurement should be taken in two directions perpendicular
to each other in order to check for out-of-round.
on lower crankcase, select an undersize bearing by referring
to table given below.
Check bearing clearance with newly selected undersize bear-
ing.
Measured journal diameter
64.738 – 64.744 mm
(2.5487 – 2.5489 in.)
Black & Red
Red only
Yellow & Red
Undersize bearing to be installed
Bearing thickness
2.618 – 2.622 mm
(0.1031 – 0.1032 in.)
2.621 – 2.625 mm
(0.1032 – 0.1033 in.)
2.624 – 2.628 mm
(0.1033 – 0.1034 in.)
2.627 – 2.631 mm
(0.1034 – 0.1035 in.)
2.630 – 2.634 mm
(0.1035 – 0.1036 in.)
64.732 – 64.738 mm
(2.5485 – 2.5487 in.)
Red only
Yellow & Red
Blue & Red