Suzuki Wagon R Manual page 3889

6A4-62 ENGINE MECHANICAL (Z10XEP AND Z12XEP ENGINES)
Pistons, Piston Rings, Connecting Rods and Cylinder Inspection
Cylinder
Visual inspection
Inspect cylinder walls for scratches, roughness or ridges which indicate excessive wear. If cylinder bore is very
rough, deeply scratched or ridged, rebore cylinder and use oversize piston.
Pistons
Visual inspection
Inspect piston for faults, cracks or other damaged.
Damaged or faulty piston should be replaced.
Piston clearance
2. Cylinder block
Measure cylinder bore diameter and piston diameter to find their difference which is piston clearance. Piston
clearance should be within specification as given below.
Cylinder bore diameter "a"
Item
Standard size
Oversize
0.5 mm (0.0197 in.)
Index (1)
9 73.385 – 73.395 mm (2.8892 – 2.8895 in.)
0 73.395 – 73.405 mm (2.8896 – 2.8899 in.)
1 73.405 – 73.415 mm (2.8900 – 2.8903 in.)
9 73.885 – 73.895 mm (2.9089 – 2.9092 in.)
0 73.895 – 73.905 mm (2.9093 – 2.9096 in.)
1 73.905 – 73.915 mm (2.9097 – 2.9100 in.)
Specification