Carburetor Cleaner 2 & 4 Stroke Carburetor Cleaner is a high performance multipurpose solvent combination that removes all kinds of difficult-to-remove deposits from the carburetor inner and outer surfaces, throttle valves and injectors without disassembly. Effectively cleans all heavily soiled bare metal surfaces. Neutral towards PA66 plastic. Dissolves most plastics, rubber and car paint. This product is applicable to two- and four-stroke engines without oxygen sensor and catalyst. Excellent penetration Properties Evaporates quickly and residue free Dissolves resin and tar-type residues Removes oil and grease-based contaminants Dissolves paints, laquer, rubber, nylon and plastic parts