1958 Ariel Square Four rare original British motorcycle antique vintage classic

Very rare unmolested motorcycle here folks. Seat has been recovered. Runs idles and drives well. Please see my other listings as well as I will be listing a new BSA ! Uncrated but 62 mile original and a very nice original triumph as well. This bike belongs to a dear friend who is 81 and used to own a BSA dealership long ago. World wide shipping I can help with domestic as well Bike is in Alabama Rare opportunity here folks few of these have survived unrestored The Square Four is a motorcycleproduced by Ariel between 1931 and 1959. designed by Edward Turner. who devised the Square Four engine in 1928. At this time he was looking for work. showing drawings of his engine design to motorcycle manufacturers. [1] The engine was essentially a pair of 'across frame' OHC parallel twins joined by their geared central flywheels. with a four-cylinderblock (or Monobloc) and single head. [2]The idea for the engine was rejected by BSA. but adopted by Ariel. Thus it became the Ariel Square Four. A further development was the Healey 1000/4 based on an updated Square Four. produced between 1971 and 1977.

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