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[[Category:BSA motorcycles]] | [[Category:BSA motorcycles]] | ||
{{Infobox Motorcycle | |||
|name = '''BSA B31''' | |||
|image = | |||
|aka = | |||
|manufacturer = [[BSA]] | |||
|parent_company = | |||
|production = 1949 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = [[Classic]] | |||
|engine = air-cooled, four-stroke, single cylinder, OHV | |||
|bore_stroke = 71.1mm x 71.1mm | |||
|compression = 6.5:1 | |||
|top_speed = | |||
|power = | |||
|torque = | |||
|ignition = | |||
|spark_plug = | |||
|battery = | |||
|transmission = Gear box: 4-speed, manual <br> | |||
Final Drive: [[chain]] <br> | |||
Clutch: multi-plate <br> | |||
|frame = | |||
|suspension =Front: telescopic fork <br> | |||
Rear: [[plunger]] shocks | |||
|brakes =Front: drum <br>Rear: drum | |||
|front_tire = {{tire|3.25 x 19}} | |||
|rear_tire = {{tire|3.5 x 19}} | |||
|rake_trail = | |||
|wheelbase = | |||
|length = | |||
|width = | |||
|height = | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = 175.0 kg | |||
|fuel_capacity = 1.32 Gallon (5.00 Liters) | |||
|oil_capacity = | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
The '''[[BSA]] B31''' was a air-cooled, four-stroke, single cylinder, OHV Classic [[motorcycle]] produced by [[BSA]] in 1949. | |||
==Engine== | |||
A 71.1mm [[bore]] x 71.1mm [[stroke]] result in a [[displacement]] of just 348.0 cubic centimeters. | |||
==Drive== | |||
The bike has a 4-speed, manual transmission. Power was moderated via the multi-plate. | |||
==Chassis== | |||
It came with a 3.25 x 19 front [[tire]] and a 3.5 x 19 rear tire. Stopping was achieved via drum in the front and a drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a plunger shocks. The B31 was fitted with a 1.32 Gallon (5.00 Liters) fuel tank. | |||
==1949 - 1959 BSA B31== | |||
[[File:bsa-b31-1949-1959-2.jpg|600px|1949 - 1959 BSA B31]] | |||
[[File:bsa-b31-1949-1959-1.jpg|600px|1949 - 1959 BSA B31]] | |||
[[File:bsa-b31-1949-1959-0.jpg|600px|1949 - 1959 BSA B31]] | |||
The 1949 BSA B31 has at its heart an air-cooled, four-stroke, 348cc, single cylinder powerhouse mated to a four-speed manual transmission that can produce a claimed 22 horsepower at 6000 rpm. It also comes with features such as a telescopic front fork, dual plunger shocks as a rear suspension, a dual seat, a center stand, laced wheels, a large headlight and wide handlebars plus a drum braking system. | |||
==In Media== | |||
* [https://motopixel.org/pixel/linsolent#bsa-b31 L'insolent] | |||
* [https://motopixel.org/pixel/gideons-way#bsa-b31 Gideon's Way] | |||
* [https://motopixel.org/pixel/la-mariee-est-trop-belle#bsa-b31 La mariée est trop belle] | |||
* [https://motopixel.org/pixel/meningen-med-livet#bsa-b31 Meningen med livet] | |||
* [https://motopixel.org/pixel/a-tout-prendre#bsa-b31 À tout prendre] | |||
* [https://motopixel.org/pixel/boon#bsa-b31 Boon] | |||
* [https://motopixel.org/pixel/motorkavaljerer#bsa-b31 Motorkavaljerer] | |||
* [https://motopixel.org/pixel/dirty-dancing#bsa-b31 Dirty Dancing] | |||
* [https://motopixel.org/pixel/cherchez-lidole#bsa-b31 Cherchez l'idole] | |||
* [https://motopixel.org/pixel/a-tout-casser#bsa-b31 À tout casser] | |||
* [https://motopixel.org/pixel/the-darling-buds-of-may#bsa-b31 The Darling Buds of May] | |||
[[Category:Classic motorcycles]] | |||
[[Category:BSA motorcycles]] | |||
[[Category:1940s motorcycles]] | |||
[[Category:Motorcycles needing images]] | |||