In this category you will find all of the air filter, box has air ... For motor scooter minarelli vertical! The role of a good air filter is to let a potential maximum return air in while filtering engine to be as pure as possible! In air filter to another, it must be you often adjust the carburetion (increase the main jet if you take more air ...). You must choose your air filter according to several parameters: 1 Diameter of the air filter in relation to the fixing diameter to your carburettor. 2. Shape and size in relation to the place you have on your scooter. Know that all-foam filters are crushed against the damper or other party to not taking up space! Choose well your first intake pipe to the carburetor is pointing! 3- Some filters have a cover for not taking the water, you can also take an air box and direct vents down and not in front of a water transmission (wheel .. .). Finally, from time to time other clean your air filter, you can to make it even more special filtering the oil soak for air filter!