Air filters for 22cc to 49cc stand up gas scooters are listed as well as those for full sized street legal scooters, dirt bikes, ATV's and other recreational vehicles. You'll find air filters compatible with off-brand Chinese scooters, Honda, Suzuki, Yamaha, Vespa and a wide variety of additional brands and styles. Is your engine 2-stroke or 4-stroke? Well, it doesn't matter. We carry both types. Whether your budget is limited and you need an air filter for cheap or you're looking for high quality product like K&N or Uni, the Marketplace has what you need.