Fastest conventional motorcycle speed (female)

According to Official Guinness Records,

The fastest speed reached on a conventional motorcycle by a female pilot (as opposed to aerodynamic 'streamliner') is 374.208 km/h (232.522 mph), by Leslie Porterfield (USA) on a modified Suzuki Hayabusa at Bonneville Salt Flats, Utah, USA, on 5 September 2008. In accordance with standard speed record practice, the record is the average of two timed runs over a mile (1.6 km) in opposite directions.

For a complete list of 2008 records, please visit 2008 Guinness Records in United States.

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