1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 80Get this manual
ENGINE CLUTCH DRIVEN PLATES
NOTE: Wipe off any engine oil from the clutch driven plates using clean rag
Measure each clutch driven plate for distortion using the thick ness gauge and surface plateIf clutch driven plate is not within the service limit, replace the clutch plates as set
,roOt! 09900-20803: Thickness gauge
Service Limit Clutch driven plate distortion: 0.10 mm (0.004 in)
Measuring distortion