Ariel Square Four - Wikipedia
The Square Four is a motorcycle produced 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. [5] .
A Brief History of the Ariel Square Four - Silodrome
2018年9月10日 · The Ariel Square Four is one of the most famous names among Britain’s original “big” bikes, standing side-by-side with the likes of Brough Superior and Vincent HRD.
Ariel Square Four Motorcycles For Sale - Cycle Trader
Browse our extensive inventory of new and used Ariel Square Four motorcycles from local Ariel dealers and private sellers. Compare prices, models, trims, options and specifications between different Ariel motorcycles on Cycle Trader.
1952 Ariel Square Four - Motorcycle Classics
2009年7月28日 · Penned by Triumph legend Edward Turner, learn what made the Ariel Square Four was the smoothest British motorcycle of all time.
1957 Ariel Square Four - Bring a Trailer
This 1957 Ariel Square Four was refurbished in 2020 with work that included repainting the bodywork in black, overhauling the 997cc OHV square four and carburetor, fitting an oil cooler and a solid-state regulator, and replacing the hand controls, speedometer, and tires.
Ariel Square Four - sumpmagazine.com
Ariel Square Four 4F | 4G | Mk1 | Mk2 | 1931 - 1959. 500cc, 600cc, and 1000cc, OHV air-cooled fours Ariel Square Four panel tank. Smiths speedometer, 8-day clock, Eureka oil pressure gauge, inspection light and a screw-on fuel filler cap. Ariel was a quality manufacturer famous for excellent finishes. For decades, this bike was the flagship.
From the Archive: Ariel Square Four - Classic Bike Guide
2020年3月18日 · As befits a refined gentleman’s conveyance, a Square is all about effortless mid-range torque for relaxed long- distance riding. It’ll pull smoothly in top from as low as 12mph, so there’s no need to practise your rapid cog-swapping through the four-speed Burman box. Nor is the chassis suitable for close-combat cornering.
SQUARE FOUR HISTORY - arielnorthamerica.org
After 18 months of intense development the Ariel Square Four was unveiled internally. The result was a 500cc OHC four with enclosed valves and a gear type oil pump - a remarkable departure from the single cylinder bikes with exposed valves that were common at the time.
1958 Ariel Square Four Mk II - National Motorcycle Museum
2018年3月30日 · With its all alloy engine and four graceful exhaust headers the featured final Mark II Square Four was a very sleek machine. The Square Four chassis evolved to plunger rear suspension with a rigid mounted dual seat but 1958 marked the last production of the Four.
Ariel Square Four - webBikeWorld
2021年7月14日 · square four – new & improved The Square Four went through a major revision in 1953, with a new cylinder head and manifolds, prompting a new sub-model designation, Mark II, which ran from 1953 through Ariel’s final year, 1959.