Toro 1P65F-2 Service Manual page 154

Piston and Rings Assembly Inspection (continued)
Compression System: Service and Repairs
2. Remove the piston rings from the piston.
Note: Rings shown top to bottom, left to right.
3. Inspect the rings for wear.
End Gap (Top/Middle): 0.0078–0.0156 in. (0.2–0.4 mm) and 0.040 in. (1.0
mm)
Width (Top/Middle): 0.0397 in. (1.0 mm) and 0.0342 in. (0.87 mm)
Width (Oil Ring): 0.098 in. (2.5 mm) and 0.093 in. (2.37 mm)
4. Remove the wrist pin circlip from the piston.
5. Remove the wrist pin from the piston.
6. Measure the outside diameter of the piston.
Skirt Outside Diameter: 2.558 in. (64.985 mm)
Figure 215
Figure 216
Page 7–56 1P65F-2 Service Manual
3429-270 Rev A