Cylinder Block Assembly: Testing and Inspection

Classification
- Each cylinder is identified by a classification marking (C,D,E or G) punched into the rear of the block.
- Oversize bores are indicated by the abbreviation OS1 or OS2 as appropriate.
This marking must be added after reboring.
- Cylinder bores are shown below.
Standard:
Bore marked C: 83.00-83.01 mm
Bore marked D: 83.01-83.02 mm
Bore marked E: 83.02-83.03 mm
Bore marked G: 83.04-83.05 mm

Oversize:
OS1: 83.20-83.21 mm
OS2: 83.40-83.41 mm

NOTE: Cylinders should be rebored when wear reaches 0.10 mm.