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1951 Ariel Square Four

No ReserveBring a Trailer
Listed bygman71b
Scottsdale, Arizona 85255Manual
SoldMay 16, 2025
Sold for$5,100
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Summary
This 1951 Ariel Square Four project was stored in a shed since 1974 and is currently in non-running condition. It features a 997cc square-four engine, a four-speed transmission, 19″ front and 18″ rear wire-spoke wheels, and a chrome dual exhaust system. The bike shows 20,264 miles on the odometer and comes with a clean Arizona title, spare parts, and literature.
Trait
Quantity
Most Recent Sale
Year
5 (5%)
Jan 9, 2026
Color
Black
13 (14%)
Apr 13, 2026
Transmission
72 (77%)
Jun 4, 2026
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Loading sold figures · 12 months to May 16, '25

Listing history

1 appearance
  • May 16, 2025
    Bring a Trailer
    Sold· this listing
    $5.1k
Bid History
Bids Per Day
Sold for
$5.1k
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Views
3.9k
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Bids
10
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Comments
34
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Top Comments
JackPiner A wonderful project, but buyers should be aware that Square Fours have rather small crankshaft sludge traps, which ... View more
rlincoln The F loyd Clymer manual is a treasure all by itself. I was lucky to buy one of the last copies of the Clymer Vincent ... View more
mrhemi426 25 years ago I was commissioning a new power plant in New Hampshire. The site had 2 industrial gas compressors. They ... View more
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