POWER UNIT 6-48
PISTON PIN
Check piston pin, conrod small end bore and piston pin hole for
wear or damage.
If badly worn or damaged, replace component.
Piston pin clearance
• Check the piston pin clearance in the conrod small end.
Replace the conrod if its small end is badly worn or damaged
or if clearance exceeds service limit.
09900-20205 : Micrometer
09900-20605 : Dial calipers
Piston pin outside diameter
Standard : 17.996 – 18.000 mm (0.7085 – 0.7087 in.)
Service limit : 17.980 mm (0.7079 in.)
Piston pin hole diameter
Standard : 18.006 – 18.014 mm (0.7089 – 0.7092 in.)
Service limit : 18.040 mm (0.7102 in.)
Conrod small end bore
Standard : 18.003 – 18.011 mm (0.7088 – 0.7091 in.)
Pin clearance in piston pin hole
Standard : 0.006 – 0.018 mm (0.0002 - 0.0007 in.)
Service limit : 0.040 mm (0.0016 in.)
Pin clearance in conrod small end
Standard : 0.003 – 0.015 mm (0.0001 – 0.0006 in.)
Service limit : 0.05 mm (0.002 in.)
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