Suzuki 2000 Grand Vitara SQ625 Service Manual page 399

5) Remove cap and using a scale on gaging plastic envelope,
measure gaging plastic width at the widest point (clearance).
If clearance exceeds its limit, use a new standard size bearing
and remeasure clearance.
1. Gaging plastic
2. Scale
6) If clearance can not be brought to within its limit even by using
a new standard size bearing, regrind crank pin to undersize as
follows.
a) Install 0.25 mm undersize bearing to connecting rod big
b) Measure bore diameter of connecting rod big end.
c) Regrind crank pin to following finished diameter:
d) Confirm that bearing clearance is within above standard
ENGINE MECHANICAL (H25 ENGINE) 6A2-75
Item
Bearing 0.045 – 0.063 mm
clearance (0.0018 – 0.0025 in.)
end.
Measured big end bore
Finished
= dia. (including under-
crank pin dia.
size bearing)
value.
Standard
0.08 mm
(0.0031 in.)
–
Limit
0.054 mm
(0.0021 in.)