A SERVICE OF

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2. Install:
• piston ring
(into the cylinder)
NOTE:
@
Level the piston ring in the cylinder with the
piston crown.
a
5 mm
3. Measure:
• piston ring end gap
Out of specification → Replace the piston
ring.
NOTE:
@
The oil ring expander spacer’s end gap cannot
be measured. If the oil ring rail’s gap is exces-
sive, replace all three piston rings.
Piston ring end gap
Top ring
0.35 ~ 0.45 mm
<Limit>: 0.70 mm
2nd ring
0.75 ~ 0.85 mm
<Limit>: 1.20 mm
Oil ring
0.2 ~ 0.6 mm
EAS00266
CHECKING THE PISTON PINS
The following procedure applies to all of the
piston pins.
1. Check:
• piston pin
Blue discoloration/grooves → Replace the
piston pin and then check the lubrication
system.
CONNECTING RODS AND PISTONS