1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 75Get this manual
CYLINDER
CYLINDER DISTORTION Check the gasket surface of the cylinder block for distortionUse straightedge and thickness gaugeTake clearance read ings at several placesIf any clearance readings exceeds the service limit, replace the cylinder block
,fcfoh 09900-20803: Thickness gauge
Service Limit Cylinder block distortion: 0.05 mm (0.002 in) CYLINDER BORE Measure the cylinder bore diameter at six placesIf any of the measurements exceed the limit, overhaul the cylinder and replace the piston with an oversized pistonor replace the cylinder