a high-revving, 4-cylinder, 4-stroke motorcycle capable of producing up to 45 PS (33 kW). They are the Honda CBR250, Kawasaki ZXR250 , Suzuki GSX-R250 and the Yamaha FZR250 . With limited exceptions, these bikes were generally only officially available in Japan. However they (particularly the CBR250 and ZXR250) were available in the