Service Manual
Piston Pin Hole inside Dlameter:
Refer to Figure 11-21. Measure the piston pin hole
inside diameter at various places.
If
the measure-
ment
is
not as specified in
Dimensions and Clear-
ances,
replace the piston.
.1100
FIGURE 11-21. MEASURING PISTON PIN HOLE
Piston Pin Outside Diameter:
Refer to Figure 11-22. Measure the piston pin out-
side diameter.
If
the measurement
is
not
as
speci-
fied in
Dimensions and Clearances,
replace the
piston pin.
CT-1101
FIGURE 11-22. MEASURING PISTON PIN
Piston' Ring and Ring Groove Clearance:
Refer to Figure
11-23.
Remove carbon from the ring
grooves. Insert a new piston ring into the ring
groove and measure the clearance at several
points.
If
the measurements are not as specified in
Dimensions
and Clearances,
replace the piston.
FIGURE 11-23. MEASURING RING GROOVE
CLEARANCE
Connecting
Rod
Small
End Inside Diameter:
Refer
to
Figure 11-24. Measure the connecting rod
small end inside diameter with an inside microme-
ter.
If
dimension is not as specified in
Dimensions
and Clearances,
replace the connecting rod.
FIGURE 11-24. MEASURING CONNECTING
ROD
SMALL END
11-13