1989 Honda FL400R Pilot Service Manual, Page 29Get this manual
BRAKE SHOE WEAR Remove the brake shoe lining inspection hole cap and inspect the lining thicknessLining thickness: STANDARD: 4.0 mm (0.16 in) SERVICE LIMIT: 2.0 mm (0.08 in) NOTE If either lining is worn beyond the limit, both brake shoes must be replaced
See page 14-7 for replacement of the shoes
BRAKE PAD WEAR
The brake pads must be checked more often than specified in the maintenance schedule if the FL400R is operated in wet, dusty, sandy or muddy conditionsThe pads must be replaced if the tip of the wear indicator aligns with the edge of the rear brake caliperSee page 14-1 for replacement of the pads