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| {{BMW}} | | {{BMW}} |
| [[Category:BMW motorcycles]] | | [[Category:BMW motorcycles]] |
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| {{Motorcycle
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| |name = BMW R23
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| |photo= R23.jpg
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| |aka = R 23
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| |manufacturer = BMW
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| |parent_company =
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| |production = 1938 - 1940
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| |model_year =
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| |predecessor =
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| |successor =
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| |class = Classic
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| |engine = single cylinder, four-stroke
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| |bore_stroke = 68.0mm x 68.0mm
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| |compression = 6.75:1
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| |top_speed = 59 mph (95 km/h)
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| |power = 9.79 HP (7.3 KW) @ 5400RPM
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| |torque =
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| |ignition = battery
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| |spark_plug =
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| |battery =
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| |transmission = Gear box: 3-speed <br>
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| Final Drive: [[shaft]] drive (cardan) <br>
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| Clutch: single plate dry <br>
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| |frame =
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| |suspension =Front: telescopic fork <br>
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| Rear: rigid
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| |brakes =Front: expanding [[brake]] (drum brake) <br>Rear: expanding brake (drum brake)
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| |front_tire = {{tire|2.99-19}}
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| |rear_tire = {{tire|2.99-19}}
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| |rake_trail =
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| |wheelbase = 52.36 inches (1330 mm)
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| |length = 78.74 inches (2000 mm)
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| |width = 31.5 inches (800 mm)
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| |height = 35.43 inches (900 mm)
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| |seat_height =
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| |dry_weight =
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| |wet_weight = 135.0 kg
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| |fuel_capacity = 2.54 Gallon (9.60 Liters)
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| |oil_capacity =
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| |fuel_consumption =
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| |turning_radius =
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| |related =
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| |competition =
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| }}
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| The '''[[BMW]] R23''' was a single cylinder, [[four-stroke]] Classic [[motorcycle]] produced by [[BMW]] between 1938 and 1940. It could reach a top speed of 59 mph (95 km/h). Claimed [[horsepower]] was 9.79 HP (7.3 KW) @ 5400 RPM.
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| ==Engine==
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| The engine was a [[air cooled]] single cylinder, four-stroke. A 68.0mm [[bore]] x 68.0mm [[stroke]] result in a [[displacement]] of just 247.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
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| ==Drive==
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| The bike has a 3-speed transmission. Power was moderated via the single plate dry.
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| ==Chassis==
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| It came with a 2.99-19 front [[tire]] and a 2.99-19 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 telescopic fork while the rear was equipped with a rigid. The R23 was fitted with a 2.54 Gallon (9.60 Liters) fuel tank. The wheelbase was 52.36 inches (1330 mm) long.
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| ==1938 - 1940 BMW R 23==
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| [[File:bmw-r23-1938-1940-1.jpg|600px|1938 - 1940 BMW R 23]]
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| [[File:bmw-r23-1938-1940-0.jpg|600px|1938 - 1940 BMW R 23]]
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| The 1938 BMW R 23 has, at its heart, an air-cooled, four-stroke, 247cc, single cylinder lump mated to a three-speed manual transmission that can produce a claimed 12 horsepower at 5600 rpm. It comes with laced wheels, a sprung seat, a suspension package with a telescopic fork in the front and a hard-tail rear unit, full-coverage fenders, a large headlamp, wide handlebars, and a rear luggage rack.
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| ==In Media==
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| * [https://motopixel.org/pixel/the-great-escape#bmw-r23 The Great Escape]
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| * [https://motopixel.org/pixel/polizeiruf-110-der-riss#bmw-r23 Polizeiruf 110 - Der Riss]
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| [[Category:Classic motorcycles]]
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| [[Category:BMW motorcycles]]
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| [[Category:1930s motorcycles]]
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| [[Category:1940s motorcycles]]
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