1954 Ariel Square Four
The Ariel Square Four has one of the most handsome engines ever fitted to a motorcycle, it’s an air-cooled 4-cylinder unit with the pistons arranged into a square with 2 crankshafts geared to each other.
Ariel Square Four
The Ariel Square Four has one of the most handsome engines ever fitted to a motorcycle, it’s an air-cooled 4-cylinder unit with the pistons arranged into a square with 2 crankshafts geared to each other.