Naraku Jet Kit for Honda Spree, Aero 50 and SA50 Leader engine you will need the following:

you will need the following:

Material: Polished Billet Aluminum

Tread Pattern: K358

using a hammer or pry bar can damage your crankshaft

Naraku Jet Kit for Honda Spree, Aero 50 and SA50 Leader engine you will need the following:Naraku Carburetor Jet Kit for Honda Spree, Aero 50, and SA50 stock carburetors and some mopeds with Gurtner Carburetors. This 10 piece kit contains jet sizes 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, and 94. Intended for use with carburetors that use an M6x. 75 threaded main jet. Does not fit later model Honda AF16 18 carburetors. Specifications: M6x. 75 Thread Size Includes main jet sizes 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, and 94 Universal Fit,