Carburetor Kit / Zama RB-64Pack Size:1Zama RB-64J. Thomas RB-645, NHC 203-5863, Oregon 49-900, Oregon 49-439Zama C1U-K47; C1U-K51; C1U-K52; C1U-K53, A; C1U-K55; C1U-K58; C1U-K59; C1U-K62; C1U-SK17 carburetors Not compatible with greater than 10% ethanol fuel.

SR-5