Suzuki DF 25 Service Manual page 162

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 : 15.995 – 16.000 mm (0.6297 – 0.6299 in.)
Service limit : 15.980 mm (0.6291 in.)
Piston pin hole diameter
Standard : 16.006 – 16.014 mm (0.6302 – 0.6305 in.)
Service limit : 16.030 mm (0.6311 in.)
Conrod small end bore
Standard : 16.003 – 16.011 mm (0.6300 – 0.6304 in.)
Pin clearance in piston pin hole
Standard : 0.006 – 0.019 mm (0.0002 - 0.0007 in.)
Service limit : 0.040 mm (0.0016 in.)
Pin clearance in conrod small end
Standard : 0.003 – 0.016 mm (0.0001 – 0.0006 in.)
Service limit : 0.050 mm (0.0020 in.)
POWER UNIT 7-45