ID of Two outer holes on top = 10.3mm. ID of Two outer holes underneath = 24.6mm. ID of Large hole underneath = 40mm.
SERVICE KIT KAWASAKI FH381V, FH430V, FH480V, FH541V, FH580V AIR FUEL FILTER PLUG
SERVICE KIT KAWASAKI FR541V, FR600V AIR FILTER FUEL FILTER OIL FILTER SPARK PLUG
Service Kit Fits Some Kawasaki FJ180V (Round Type Air Filter) 99969-6150
Air Filter & Prefilter Fits KAWASAKI FJ180V Engines (Round Type) - 11029-0032
