New Holland CX720 Repair Manual page 1777

4. Where only minor imperfections exist and bores are
to specification, hone the bores prior to installing new
piston rings. Provided piston to bore clearance, does
not exceed 0.250 mm (0.011 in).
Sleeving of the cylinder bores becomes expedient
when.:-
Minor imperfections to the bores are outside of the
specification.
Oil consumption is high.
Replacing sleeves, installed in service.
Cylinder bore is damaged beyond re-boring limits.
Oversize pistons available: 0.020 in ((0.51 mm)
0.040 in ((1.00 mm)
NOTE: Oversize pistons are available in specific markets
only. In markets where these are available the bore should
be bored or honed to fit the next oversize piston.
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