Skoda OCTAVIA MK1 Service Manual page 53

Piston ring
dimensions in mm
1st Compression ring
2nd Compression ring
Oil scraper ring
Inspecting pistons
Special tools and workshop equipment
required
t External micrometer 75...100 mm
Test sequence
Measure about 10 mm from the lower
– edge, offset at right angles to the piston
pin shaft.
Variations compared to nominal diameter
t
max. 0.04 mm
Inspecting cylinder bore
Special tools and workshop equipment
required
Internal precision measuring instrument
t
50...100 mm
Test sequence
Measure at three points crosswise in a
– transverse direction -A- and lengthwise
-B-.
Variations compared to nominal
t
dimension max. 0.08 mm
Note
Do not measure the cylinder bore if the
cylinder block is fixed to the assembly
stand with the engine mount -MP 1-202-, as
this may result in incorrect measurements.
new
0.06 to 0.09
0.05 to 0.08
0.03 to 0.06
53
Wear limit
0,20
0,20
0,15