1995-2004 Kawasaki Lakota 300, Lakota Sport, KEF300 Service Manual, Page 79Get this manual
ENGINE TOP END 3-31
Piston Wear
Measure the piston diameter at the point shown with micrometerPiston Diameter Standard: Service Limit: 75.960 75.975 mm 75.81 mm
If the piston diameter is less than the service limit, replace it
o If the cylinder has been bored oversize, use the Oversize Piston