2009-2012 Honda MUV700 Big Red Service Manual, Page 438Get this manual
BRAKE SYSTEM Coat new piston seal with clean brake fluid and install it into the seal groove in the caliper cylinderPack the inside of new piston boot withof si licone grease and apply 0.8 of silicone grease to the seal areas (boot ribs) Install the inside boot rib of piston boot into the boot groove in the cal iper cylinder properlyCoat the caliper piston with clean brake fluid and place it into the caliper body with the groove side toward the brake padCover the piston with the boot carefully, then push the piston and set the outside boot rib into the boot groove in the piston to seat the pistonPISTON SEAL