1945-59 Archives - MotorcycleSpecifications.com Find your motorcycle specifications Fri, 07 Apr 2023 22:43:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 BSA B31 (1945-59) https://motorcyclespecifications.com/bsa-b31-1945-59-specs/ Tue, 28 Mar 2023 06:06:04 +0000 https://motorcyclespecifications.com/?p=34615 The BSA B31 was a popular motorcycle produced from 1945 to 1959 by Birmingham Small Arms Company Limited (BSA). The bike featured a 350cc single-cylinder engine and was known for

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]]> The BSA B31 was a popular motorcycle produced from 1945 to 1959 by Birmingham Small Arms Company Limited (BSA). The bike featured a 350cc single-cylinder engine and was known for its reliability, versatility, and affordability. It was designed to be simple and easy to maintain, making it a favorite among both novice and experienced riders.

The B31 came in several different models, including the B31 Standard, B31 De Luxe, and B31 Clubman. The Standard was the basic model, while the De Luxe had added features such as a rear luggage carrier, a toolbox, and a headlight nacelle. The Clubman was a sports version designed for racing and had a higher compression ratio, larger carburetor, and other performance upgrades.

The B31 was used for a variety of purposes, from commuting to sports racing to military use. It was even used by the British police as a patrol motorcycle. The bike was also popular with customizers and enthusiasts, who would modify it with different exhaust systems, handlebars, seats, and paint jobs.

The B31 was eventually replaced by the BSA B33, which had a larger engine, improved suspension, and other upgrades. However, the B31 remains a classic and beloved motorcycle among vintage bike collectors and enthusiasts. It is known for its timeless design, durability, and history as a popular post-World War II motorcycle. Overall, the BSA B31 is a classic motorcycle that has left an enduring legacy in the motorcycle industry.

Technical specifications:

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]]> Ariel NH 350 Red Hunter (1945-59) https://motorcyclespecifications.com/ariel-nh-350-red-hunter-1945-59-specs/ Sun, 26 Mar 2023 05:27:05 +0000 https://motorcyclespecifications.com/?p=31851 The Ariel NH 350 Red Hunter motorcycle was produced from 1945 to 1959 and featured a four-stroke, single cylinder, overhead valve engine with a 346 cc capacity. It had a

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]]> The Ariel NH 350 Red Hunter motorcycle was produced from 1945 to 1959 and featured a four-stroke, single cylinder, overhead valve engine with a 346 cc capacity. It had a bore x stroke of 72 x 85 mm and was cooled by air. The compression ratio was 6.2:1, later increased to 7.5:1 in 1957. The exhaust was 1-into-1 and the carburetor provided the induction. The bike was powered by a magneto/flywheel ignition and kicked off a 6V battery. It provided a maximum power of 14.2 kW / 19.4 hp at 5800 rpm. The clutch was a dry, multiplate type and the transmission had four speeds. The final drive was chain and the gear ratios varied, depending on the sprocket, with a top speed of 117 km/h or 72.7 mph. The frame had a semi-double cradle and the front suspension featured a telescopic fork, while the rear suspension had plungers. Both front and rear brakes were drums. The wheels were made of steel with laced wire spokes and the front rim measured 3.00 x 20, while the rear rim was 3.25 x 19. The bike was 2180 mm or 85.8 in long, 640 mm or 25.2 in wide, and weighed 159 kg or 350.5 lbs dry. It had a fuel capacity of 11 L or 2.9 US gallons.

Technical specifications:

Make Model: Ariel NH 350 Red Hunter

Year: 1945 – 59
Engine: Four stroke, single cylinder, OHV
Capacity: 346 cc / 21.1 cu in
Bore x Stroke: 72 x 85 mm
Cooling System: Air cooled
Compression Ratio: 6.2:1 (after 1957: 7.5:1)
Exhaust: 1-into-1
Induction: Carburetor
Ignition: Magneto/flywheel
Battery: 6V
Starting: Kick start
Max Power: 14.2 kW / 19.4 hp @ 5800 rpm
Clutch: Dry, multiplate
Transmission: 4-Speed
Final Drive: Chain
Gear Ratios: (20T sprocket) 1st 15.3 / 2nd 10.1 / 3rd 7.3 / 4th 5.7:1 (19T sprocket) 1st 16.1 / 2nd 10.6 / 3rd 7.7 / 4th 6.0:1 (18T sprocket) 1st 17.0 / 2nd 11.2 / 3rd 8.2 / 4th 6.4:1 (17T sprocket) 1st 18.0 / 2nd 11.9 / 3rd 8.7 / 4th 6.8:1
Frame: Semi-double cradle
Front Suspension: Telescopic fork, hydraulic
Rear Suspension: Plungers
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Front Rim: 3.00 x 20
Rear Rim: 3.25 x 19
Dimensions: Length: 2180 mm / 85.8 in Width: 640 mm / 25.2 in
Dry Weight: 159 kg / 350.5 lbs
Fuel Capacity: 11 L / 2.9 US gal
Top Speed: 117 km/h / 72.7 mph

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