Total votes: 88
Auction price:  
US $12.500.00
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Square Four Mark II
Item Location: 
Morrisburg, Ontario, Canada
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Vehicle does NOT have an existing warranty
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Description 1956 ARIEL SQUARE FOUR

The Ariel Square Four was the most successful four cylinder motorcycle until the advent of the Honda Four in the sixties.  It ceased production in 1959 due to the high cost of manufacture. In the Uk you could buy a Morris, Austin, or Hilman for about the same price. With a cruising speed of 80 mph and a top speed of 100 mph it was a true super bike. Some enthusiasts think the Vincent was the definitive super bike of its day, but having owned both, I give the nod to the Ariel. With its four cylinders firing in order it produces a quiet rumble like no other. The sound has been described as being like the Bugatti and even the Offenhauser, but I prefer to think of it as "Rolling Thunder" sometimes heard on a sultry summer night. Sorry, got slightly carried away. The docile cams and SU carburator give a steady acceleration from 30 mph to 100 mph with no signs of peaking.  SU, by the way, stands for Skinners Union. Because of the vacuum principal on which this carburator is based, the fuel - air  mix is always exact and it makes the engine virtually unstallable. Because of the four cylinders firing in rotation, it is extremely easy to kick over. Never a fan of the plunger type rear suspension, I make an exception to the Ariel's Anstey designed system. This ingenious design ensures that rear chain tension remains constant throughout its range. Only when this suspension is in poor fettle does it tend to produce the infamous galloping gait around corners. Although cornering is not its strong suit, going down the road is. It is very a smooth and quiet cruiser and gives a sense of the countryside floating by. Enough of the romance. I bought this motorcycle about seven years ago, on Ebay. It was stored about 30 years and required a complete going through. Fortunately, with dry storage and low miles, it was in good condition. In addition to replacing all the rubber and chrome (except the pipes and mufflers) I added an oil filter and cooler and modern petcocks.I'm not driving it now (I'm 72) and feel its time to move it on.  These bikes regularly sell for over $20,000. Cdn. Any questions, contact me at six one three five three seven six one eight zero. Personal or professional inspections are welcome. I will add a list of preferred shippers to the U.S. shortly.

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