Max Motosports Carburetor Carb for Honda CT 90 CT90 Mini Trail 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 Brand new aftermarket replacement Air filter mount: 40mm Bolt hole spacing: 48mm Intake inner diameter: 22mm Fits : 1970 - 1979 Honda Trail CT90 ( it will not fit CT90 K2-K6 )