page_title: FN Four
hierarchical_section_title: FN Four
context_page_description: The FN Four was the world's first production inline-4 motorcycle, manufactured in Liége by Fabrique Nationale from 1905 until 1923. It was also, at 40 miles per hour, the world's fastest production motorcycle from 1911 until 1912.
  The motorcycle was developed in 1904, tested late that year, and had its public debut at the 1905 Paris Motorcycle Show. It was a commercial success upon release, with production increasing over its twenty-year run.
context_section_description: The FN Four was the world's first production inline-4 motorcycle, manufactured in Liége by Fabrique Nationale from 1905 until 1923. It was also, at 40 miles per hour (64 km/h), the world's fastest production motorcycle from 1911 until 1912.
  The motorcycle was developed in 1904, tested late that year, and had its public debut at the 1905 Paris Motorcycle Show. It was a commercial success upon release, with production increasing over its twenty-year run.
caption: 1905 FN Four
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