Honda BF115A, BF130A Outboard Motors Shop Manual., Page 218Get this manual
HONDA BFI15A-130A
VALVE SEAT WIDTH
STANDARD
1.251.55 (0.0490.061 in)
SERVICE LIMIT 2.0 (0.008 in)
5) Make light pass with the cutter to remove any possible burrs at the edges of the seat6) After resurfacing the seats, inspect for even valve seating