Suzuki Wagon R Manual page 3890

Piston diameter "b"
Item
Standard size
Oversize
0.5 mm (0.0197 in.)
Piston clearance:
0.03 – 0.05 mm (0.00118 – 0.00197 in.)
2
Index
99
00
01
99
00
01
Ring groove clearance
Before checking, piston grooves must be clean, dry and free of
carbon deposits.
Fit new piston ring (1) into piston groove, and measure clearance
between ring and ring land by using thickness gauge (2). If clear-
ance is out of specification, replace piston ring and/or piston.
1
Ring groove clearance
For Z10XEP engine:
Top ring
2nd ring
Oil ring
For Z12XEP engine:
Top ring
2nd ring
Oil ring
Piston pin
Visual inspection
Check piston pin, connecting rod small end bore and piston bore
for wear of damage, paying particular attention to condition of
small end bore bush. If pin, connecting rod small end bore or pis-
ton bore is badly worn or damaged, replace pin, connecting rod
and/or piston as assembly.
ENGINE MECHANICAL (Z10XEP AND Z12XEP ENGINES) 6A4-63
Specification
73.345 – 73.355 mm (2.8876 – 2.8879 in.)
73.355 – 73.365 mm (2.8880 – 2.8883 in.)
73.365 – 73.375 mm (2.8884 – 2.8887 in.)
73.845 – 73.855 mm (2.9073 – 2.9076 in.)
73.855 – 73.865 mm (2.9077 – 2.9080 in.)
73.865 – 73.875 mm (2.9081 – 2.9084 in.)
Item
0.04 – 0.08 mm (0.0016 – 0.0031 in.)
0.03 – 0.07 mm (0.0012 – 0.0027 in.)
0.03 – 0.19 mm (0.0012 – 0.0074 in.)
Item
0.03 – 0.05 mm (0.0012 – 0.0020 in.)
0.02 – 0.04 mm (0.0008 – 0.0016 in.)
0.01 – 0.03 mm (0.0004 – 0.0012 in.)
Specification
Specification