Yamaha motorcycles typically come equipped with air filters that are manufactured by Yamaha Motor Co., Ltd. Yamaha is a renowned Japanese motorcycle manufacturer and produces a wide range of motorcycles, including their respective parts and components. Therefore, Yamaha motorcycles, including their air filters, are typically designed and produced by Yamaha themselves. It is recommended to use genuine Yamaha air filters or obtain them from authorized Yamaha dealers or service centers to ensure compatibility and optimal performance for your Yamaha motorcycle.