fˈʊlsˈaɪz mˈoʊɾɚsˌaɪkəl wˈiːlz ænd tˈaɪɚz ɑːɹ ˈɔːlsoʊ jˈuːzd, bˌʌt dʒˈɛnɚɹəli ɹᵻkwˈaɪɚ lˈɑːɹdʒɚɹ ˈɛndʒɪnz tə hæv ðə pˈaʊɚ tə fˈʌŋkʃən ˈædɪkwətli.
Full-size motorcycle wheels and tires are also used, but generally require larger engines to have the power to function adequately.