main jet set Naraku M5 for PWK carburetor 100-118 NK200.25

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: 100, 102, 104, 106, 108, 110, 112, 114, 116 and 118.