Only one owner since 1960,1950 Ariel 995cc Model 4G 'Square Four' Frame no. CW881 Engine no. JJ879

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Lot 357
Only one owner since 1960,1950 Ariel 995cc Model 4G 'Square Four'
Registration no. MAR 386 Frame no. CW881 Engine no. JJ879

Sold for £ 5,520 (US$ 7,152) inc. premium
Only one owner since 1960
1950 Ariel 995cc Model 4G 'Square Four'
Registration no. MAR 386
Frame no. CW881
Engine no. JJ879
Designed by the legendary Edward Turner, the Ariel Square Four was first shown at Olympia in 1930. Unique at the time of its introduction, the 'Squariel', as it was swiftly dubbed, featured a single block of four cylinders and twin geared-together crankshafts with pistons phased at 180 degrees. The crankcase was split horizontally, unusually for a motorcycle engine of the period, while the vertical valves were operated by a single overhead camshaft.

Although launched as a '500', the Squariel was soon enlarged to 601cc with an eye on the important sidecar market, this bigger version being made available for the 1932 model year. In 1937 a total redesign saw it re-emerge as the Model 4G, with 995cc overhead-valve engine, making the Squariel an even more enticing prospect for sidecarists. Anstey-link plunger rear suspension became an option in 1939, but would not be offered again until 1946 when a telescopic front fork replaced the previous girder type. An exercise in weight shedding saw the cast-iron cylinder head and barrel replaced by alloy components for 1949, the revised model, now capable of 90mph-plus, being known as the Mark I. Introduced in 1953, the 'four pipe' MkII with redesigned cylinder head elevated the Square Four into the league of genuine 100mph motorcycles. Square Four production, along with that of all other Ariel four-strokes, ceased in 1959. To date, the innovative Ariel Square Four remains unique in motorcycling history; a true 'gentleman's motorcycle, this refined yet characterful machine retains an enthusiastic and loyal following, and is highly prized by discerning enthusiasts.

An exciting 'barn find', this 1950 Ariel Square Four 4G Mk1 was once attached to a home-made sidecar (constructed using a single bed as the basis) and used to transport the late owner's wife and four children! Offered for restoration and sold strictly as viewed, the machine comes with a copy of Pitman's 'The Book of the Ariel' and old-style buff logbook (issued 1961) revealing that the deceased owner acquired 'MAR 386' in August 1960.
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Only one owner since 1960,1950 Ariel 995cc Model 4G 'Square Four' Frame no. CW881 Engine no. JJ879
Only one owner since 1960,1950 Ariel 995cc Model 4G 'Square Four' Frame no. CW881 Engine no. JJ879
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