Cylinder block (page 2 of 3)

Cylinder Bore Size:
Standard (New):
A or I: 85.010 – 85.020 mm
B or II: 85.000 – 85.010 mm
Service Limit: 85.070 mm
Oversize:
0.25: 85.250 – 85.260 mm
0.50: 85.500 – 85.510 mm
Bore Taper:
Limit: (Difference between first and third measurement) 0.05 mm

• If measurements in any cylinder are beyond Oversize Bore Service Limit, replace the block.
• If the block is to be rebored, refer to Piston Clearance Inspection after reboring.

Note: Scored or scratched cylinder bores must be honed.
Reboring Limit: 0.5 mm

A Precision Straight Edge

2. Use a precision straight edge to check the top of the block for warpage. Measure along the edges and across the centre as shown.

Cylinder Block Warpage:
Standard (New): below 0.07 mm
Service Limit: 0.10 mm

Surfaces to be measured