um UXPW125 - Page 48

UXPW 125 ENGINE SERVICE MANUAL AND EFI DIAGNOSTIC
- 48 -
5.4.4. Check piston
5.4.4.1. Check piston for damage or break. Check
diameter of skirt at 8mm height.
Limit value
Φ52.3mm
5.4.4.2. After measure diameters of cylinder bore and
piston skirt, calculate their fit clearance
.
Limit value
0.09mm
5.4.4.3. Diameter inspection of piston pin hole
Limit value
φ14.04mm
5.4.4.4. Detection of piston pin diameter
Limit value
φ13.96mm
5.4.4.5. Fit clearance between piston pin and piston
pin hole
Limit value
0.04mm
5.4.4.6. Diameter detection of pin hole in connecting rod
Limit value
φ14.06mm
5.4.4.7. Fit clearance between connecting rod and piston
pin
Limit value
0.10mm