500cc unit construction. Dating certificate from the factory. Needs full restoration but is in mostly sound condition. Not seized. Collection from near Camvridge, England.
FN 1912 498cc AIV four cylinder frame # 37593 engine# 1365 To many enthusiasts the FN four has always been one of the most appealing machines of veteran and vintage times. Its production runs from 1905 till 1926.The earliest type has a 362 cc engine with atmospheric overhead inlet valves and side exhaust valves. It’s single geared,..