1986-1987 Honda Fortrax TRX70 Service Manual, Page 16Get this manual
LUBRICATION
Oil FIlTER ROTOR AND SCREEN
NOTE Clean the oil fitter rotor before adding oiL Remove the right crankcase cover by removing the mounting boltsRemove the clutch lever, cam, cam spring and outer cover !p8g8 8-4)Clean the clutch outer cover and the inside of the clutch outer using clean lint -free clothNOTE Do not allow dust and dirt to enter the crankshaft oil