Difference between revisions of "BMW R51"

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BMW R51 (edit)

Revision as of 16:47, 12 June 2019

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[[Category:1950s motorcycles]]
[[Category:1950s motorcycles]]
[[Category:Motorcycles needing images]]
[[Category:Motorcycles needing images]]
{{Infobox Motorcycle
|name            = '''BMW R51'''
|image            =
|aka              = R51 2, R51 3, R 51
|manufacturer    = [[BMW]]
|parent_company  =
|production      = 1938 - 1954
|model_year      =
|predecessor      =
|successor        =
|class            = [[Classic]]
|engine          = two cylinder boxer, four-stroke
|bore_stroke      = 68.0mm x 68.0mm
|compression      = 6.7:1
|top_speed        = 84 mph (135 km/h)
|power            = 23.6 HP (17.6 KW) @ 5800RPM
|torque          =
|ignition        = battery
|spark_plug      =
|battery          = 6.3:1
|transmission    = Gear box: 4-speed <br>
Final Drive: [[shaft]] drive (cardan) <br>
Clutch: dry-single plate-cable operated <br>
|frame            =
|suspension      =Front: cartridge <br>
Rear: telscopic
|brakes          =Front: expanding [[brake]] (drum brake) <br>Rear: expanding brake (drum brake)
|front_tire      = {{tire|3.50-19.00}}
|rear_tire    = {{tire|3.50-19.00}}
|rake_trail      =
|wheelbase        = 55.12 inches (1400 mm)
|length          = 83.86 inches (2130 mm)
|width            = 31.1 inches (790 mm)
|height          = 38.78 inches (985 mm)
|seat_height      =
|dry_weight      =
|wet_weight      = 190.0 kg
|fuel_capacity    = 4.49 Gallon (17.00 Liters)
|oil_capacity    =
|fuel_consumption = 4.50 litres/100 km (22.2 km/l or 52.27 mpg)
|turning_radius  =
|related          =
|competition      =
}}
The '''[[BMW]] R51 3''' was a two cylinder boxer, [[four-stroke]] Classic [[motorcycle]] produced by [[BMW]] between 1938 and 1954. It could reach a top speed of 84 mph (135 km/h). Claimed [[horsepower]] was 23.6 HP (17.6 KW) @ 5800 RPM. 
==Engine==
The engine was a [[air cooled]] two cylinder boxer, four-stroke. A 68.0mm [[bore]] x 68.0mm [[stroke]] result in a [[displacement]] of just 494.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv). 
==Drive==
The bike has a 4-speed transmission. Power was moderated via the dry-single plate-cable operated. 
==Chassis==
It came with a 3.50-19.00 front [[tire]] and a 3.50-19.00 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a  cartridge while the rear was equipped with a telscopic. The R51 3 was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The wheelbase was 55.12 inches (1400 mm) long. 
==1938 - 1940 BMW R 51==
[[File:bmw-r51-1938-1940-0.jpg|600px|1938 - 1940 BMW R 51]]
The 1938 BMW R 51 has, at its heart, an air-cooled, four-stroke, 494cc, boxer twin cylinder engine mated to a four-speed manual transmission, and can reach a maximum power output of 24 horsepower at 5800 rpm. It also comes with a telescopic front fork, a rear suspension composed of a long swing arm with suspension units and oil pressure shock absorbers, a drum braking system, a single seat, a rear luggage rack, a large headlight, a dual exhaust system, laced wheels and full fenders.
==In Media==
* [https://motopixel.org/pixel/the-history-of-bmw-the-definitive-story#bmw-r51 The History of BMW: The Definitive Story]
* [https://motopixel.org/pixel/les-malheurs-dalfred#bmw-r51 Les malheurs d'Alfred]
* [https://motopixel.org/pixel/days-of-glory#bmw-r51 Days of Glory]
* [https://motopixel.org/pixel/the-young-lions#bmw-r51 The Young Lions]
* [https://motopixel.org/pixel/le-faux-pas#bmw-r51 Le faux pas]
* [https://motopixel.org/pixel/the-scarlet-and-the-black#bmw-r51 The Scarlet and the Black]
* [https://motopixel.org/pixel/zone-troopers#bmw-r51 Zone Troopers]
* [https://motopixel.org/pixel/rappresaglia#bmw-r51 Rappresaglia]
* [https://motopixel.org/pixel/polvere-di-stelle#bmw-r51 Polvere di stelle]
* [https://motopixel.org/pixel/il-generale-della-rovere#bmw-r51 Il generale della Rovere]
* [https://motopixel.org/pixel/le-quattro-giornate-di-napoli#bmw-r51 Le quattro giornate di Napoli]
* [https://motopixel.org/pixel/zycie-na-goraco#bmw-r51 Zycie na goraco]
* [https://motopixel.org/pixel/a-couteaux-tires#bmw-r51 A couteaux tirés]
[[Category:Classic motorcycles]]
[[Category:BMW motorcycles]]
[[Category:1930s motorcycles]]
[[Category:1940s motorcycles]]
[[Category:1950s motorcycles]]
[[Category:Motorcycles needing images]]
[[Category:Multiple Infoboxes]]
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