Hilitchi New Zama Carburetor Repair Kit RB-31 Stihl 034 036 This is a Genuine ZAMA repair kit for a C3A body type carburetor. This repair kit is used on all carburetor models beginning with S4, S19, S25, S26, S27, S31, S38, and S39. These carburetors are used on Stihl chainsaw models 034 and 036. See the illustration below for the location of the body type and model number on Zama carburetors.