The Subaru / Robin 20B-62308-20 Carburetor Assembly helps deliver the correct air and fuel mixture for dependable engine performance in compatible Subaru / Robin engines. It works by regulating fuel flow and mixing it with incoming air to support efficient combustion, smooth throttle response, and reliable engine operation. Made to replace a clogged, worn, or damaged carburetor assemb... https://www.wholetoolbox.com/subaru-robin-20b-62308-20-carburetor-assembly/20B-62308-20.html