2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 237Get this manual
ENGINE TOP END 6-39 Cylinder, Pistons
JT1500E9FIF9FModels
Piston Ring Groove Width
Measure the piston ring groove widthOUse vernier caliper at several paints around the pistonStandard: Top [A] Second [8] Service Limit: Top [A] Second [8] 1.02 mm (0.0402 in 1.11 mm (0.0437 in
Of601015 C
0.920.94 mm (0.03620.0370 in 1.011.03 mm (0.03980.0406 in
If the width of any of the two grooves is wider than the
service limit at any point, replace the piston
Piston Ring Thickness
Measure the piston ring thickness OUse the micrometer to measure at several points around the ring Piston Ring Thickness Standard: Top [A] 0.870.89 mm (0.03430.0350 in 0.970.99 mm (0.03820.0390 in 0.80 mm (0.0315 in 0.90 mm (0.0354 in Second [8] Service Limit: Top [A] Second [8]