Onan E125V - Piston Pin Hole Inside Diameter; Piston Pin Outside Diameter; Piston Ring and Ring Groove Clearance; Connecting Rod Small End Inside Diameter

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