2007-2009 Suzuki LTZ90 factory service manual, Page 77Get this manual
PISTON PIN AND PIN BORE Measure the piston pin bore diameter using the small bore gaugeIf the measurement is out of specifications replace the pistonPiston pin bore I.D Service Limit: 14.030 mm (0.5523 in) 09900-20605: Dial caliper gauge (10 34 mm)