main jet set Naraku for PWK carburetor 110-128 NK200.31

Changes to the jetting are necessary to optimally tune your PWK carburettor. To make this easier for you, Naraku has put together a set of the following jet sizes for all PWK type carburettors: 110, 112, 114, 116, 118, 120, 122, 124, 126 and 128.