Set of 2 pieces brand new carburetor diaphragms (only the rubber parts) for Kawasaki KZ250, KZ305 CSR and KZ400 with Keihin Carbs. These will not fit Mikuni and Hitachi carburetors. Please check “Models Fit List” tab for compatible models and years.

Brand	CDI Moto Parts ®

Models Fit List

The diaphragm itself does not have separate part number and the reference KAWASAKI part numbers for the entire Diaphragm Valve Assemblies are 43028-1023 and 16126-1042. So according to these part numbers the diaphragms above should fit the following models:

1981 KZ305-A1 CSR
1982 KZ305-A2 CSR
1982 KZ305-B1 CSR Belt
1987 KZ305-B2 LTD
1987 KZ305-B2 LTD
1988 KZ305-B3 LTD
1988 KZ305-B3 LTD

1974 KZ400
1975 KZ400-D
1975 KZ400-S Special
1976 KZ400-D3
1976 KZ400-S2 Special
1977 KZ400-A1
1977 KZ400-D4
1977 KZ400-S3 Special
1978 KZ400-A2
1978 KZ400-B1
1978 KZ400-C1
1979 KZ400-B2
1979 KZ400-H1
1980 KZ250-D1
1980 KZ250-D1
1981 KZ250-D2 CSR
1981 KZ250-D2 CSR
1982 KZ250-L1 CSR Belt