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ENG
CONNECTING RODS AND PISTONS
b. If out of specification, replace the cylinder,
and the pistons and piston rings as a set.
Cylinder bore “C”
74.00 ~ 74.01 mm
(2.9134 ~ 2.9138 in)
Wear limit
74.06 mm
(2.9157 in)
Taper limit “T” 0.05 mm (0.002 in)
Out of round “R” 0.05 mm (0.002 in)
“C” = maximum of D
1
~ D
6
“T” = maximum of D
1
or D
2
– maximum of
D
5
or D
6
“R” = maximum of D
1
D
3
or D
5
– minimum
of D
2
D
4
or D
6
c. Measure piston skirt diameter “P” with the
micrometer.
a
5 mm from the bottom edge of the piston
d. If out of specification, replace the piston and
piston rings as a set.
e. Calculate the piston-to-cylinder clearance
with the following formula.
f. If out of specification, replace the cylinder,
and the piston and piston rings as a set.
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Piston size “P”
73.975 ~ 73.990 mm (2.9124 ~ 2.9130 in)
Piston-to-cylinder clearance =
Cylinder bore “C” –
Piston skirt diameter “P”
Piston-to-cylinder clearance
0.010 ~ 0.035 mm
(0.0004 ~ 0.0014 in)
<Limit>: 0.12 mm (0.0047 in)