CC's in different bikes are not all equal. XR400 is almost the same as a DRZ400 which is not a powerful bike at all, probably around mid 30 for HP. 450 YZF or CRF are pushing 50 HP.
CC's in different bikes are not all equal. XR400 is almost the same as a DRZ400 which is not a powerful bike at all, probably around mid 30 for HP. 450 YZF or CRF are pushing 50 HP.