1998-2004 Honda Foreman 450 factory service manual, Page 177Get this manual
CLUTCH Clutch plate Check each clutch plate for warpage on surface plate using feeler gaugeSERVICE LIMIT: 0.20 mm (0.008 in)
Clutch outer Check the slots of the clutch outer for damage or wear caused by the clutch discsReplace if necessary
Measure the .0 and 1.0of the clutch outer guideSERVICE LIMIT: 0.0 27.92 mm (1.099 in) 1.0 22.05 mm (0.868 in)