1986-1987 Honda Fortrax TRX70 Service Manual, Page 73Get this manual
I CLUTCHOIL PUMPGEARSHIFT UNKAGE INSPECTION
Me urthe clutch spring tr htngthSERVICE UMIT: 231 mm 10 In)
Replace the clutch discI if they show ligna of Icoring coIot'atlon M.urthe disc thicitnel
SERVICE UMIT: DISC A: .3 mm 10.09 In)