2009-2012 Honda MUV700 Big Red Service Manual, Page 355Get this manual
DRIVETRAIN SYSTEM NOTE:
The following procedures are for the 1st clutchThe procedures for the 2nd and 3rd clutches are the same as for the 1st clutchClean the inner surface of the clutch drum thoroughly and blow through the oil holes in the drum boss and check valve in the pisto nApply engine oil t.o new O-rings and install them into the piston groovesPlace the clutch piston into the clutch drum with the flat side facing inDRUM PISTON
Be carefu 110110 pmell tile Orlllgs WI 11 lao much force
Insta ll the piston while turning it to ensure proper seating