1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 116Get this manual
CLUTCHOIL PUMPKICK STARTER Clutch center Check the grooves of the clutch center for damage or wear caused by the clutch plateReplace if necessary
Clutch disc Replace the clutch discs if they show signs of scoring or discolorationMeasure the disc thicknessSERVICE LIMIT: 2.3 mm (0.09 in)
Clutch plate Check for plate and disc warpage on surface plate using feeler gaugeSERVICE LIMIT: 0.20 mm (0.008 in)