2003 Kawasaki KLF250 Service Manual., Page 67Get this manual
4-8 ENGINE TOP END Specifications
Item Piston Ring End Gap: Top Second Oil Standard 0.15 0.30 mm (0.0059 0.0118 in 0.30 0.45 mm (0.0118 0.0177 in 0.20 0.70 mm (0.0079 0.0276 in Service Limit 0.6 mm (0.0236 in 0.8 mm (0.0315 in 1.0 mm (0.0394 in