1. Cylinder block
“a”: 120 mm (4.72 in.)
6A1-58 ENGINE MECHANICAL (G13B, 1-CAM 16-VALVES ENGINE)
Piston Rings
To measure end gap, insert piston ring (3) into cylinder bore and
then measure the gap by using thickness gauge (2).
If measured gap is out of specification, replace ring.
NOTE:
Decarbon and clean top of cylinder bore before inserting pis-
ton ring.
Item
Standard Limit
Oil ring
0.2 – 0.7 mm
(0.0079 – 0.0275 in.)
1.7 mm
(0.0669 in.)
Connecting Rod
D Big-end side clearance:
Check big-end of connecting rod for side clearance, with rod fitted
and connected to its crank pin in the normal manner. If measured
clearance is found to exceed its limit, replace connecting rod.
Item
Standard Limit
Big-end side
clearance
0.10 – 0.20 mm
(0.0039 – 0.0078 in.)
0.35 mm
(0.0137 in.)
D Connecting rod alignment:
Mount connecting rod on aligner to check it for bow and twist and,
if limit is exceeded, replace it.
Limit on bow: 0.05 mm (0.0020 in.)
Limit on twist: 0.10 mm (0.0039 in.)