Suzuki 2000 Grand Vitara SQ625 Service Manual page 482

1. Gaging plastic
2. Scale
5) Remove cap and using a scale on gaging plastic envelope, mea-
sure gaging plastic width at the widest point (clearance).
If clearance exceeds its limit, use a new standard size bearing
and remeasure clearance.
Item
Bearing
clearance
6) If clearance can not be brought to within its limit even by using
a new standard size bearing, replace crankshaft or regrind crank
pin to undersize as follows.
– Install 0.25 mm undersize bearing to connecting rod big-end.
– Measure bore diameter of connecting rod big-end.
– Regrind crank pin to following finished diameter
Finished
=
crank pin dia.
– Confirm that bearing clearance is within above standard value.
ENGINE MECHANICAL (J20 ENGINE) 6A4-63
Standard
0.039 – 0.057 mm
(0.0016 – 0.0022 in.)
Measured big-end bore
dia. (including under-
size bearing)
Limit
0.08 mm
(0.0031 in.)
0.048 mm
–
(0.0018 in.)