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| {{Infobox Motorcycle
| | #Redirect [[BMW R80G/S]] |
| |name = [[BMW]] R 80G/S
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| |image = [[File:BMW-R80GS-81.jpg|frameless|BMW R 80G/S]]
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| |aka =
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| |manufacturer = BMW
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| |parent_company =
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| |production = 1980
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| |model_year =
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| |predecessor =
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| |successor =
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| |class =
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| |engine = Four stroke, two cylinder horizontally opposed Boxer, [[pushrod]] operated 2 valves per cylinder.
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| |bore_stroke =
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| |compression = 9.2:1
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| |top_speed = 167 km/h / 104 mph
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| |power =
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| |torque =
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| |fuel_system =
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| |ignition = Battery ignition
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| |spark_plug = Bosch W 7 D / Beru14-7DU / Champion N9YC
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| |battery =
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| |transmission = 5 Speed
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| |frame = Double loop tubular frame with bolt on rear section
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| |suspension =Front: Telescopic [[hydraulic]] forks <br>
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| Rear: Monolever swinging arm
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| |brakes =Front: Single ∅260mm disc <br>Rear: ∅200mm Drum
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| |front_tire = {{tire|3.00 - 21}}
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| |rear_tire = {{tire|4.00 - 18}}
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| |rake_trail =
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| |wheelbase = 1465 mm / 67.6 in
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| |length =
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| |width =
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| |height =
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| |seat_height = 860 mm / 33.9 in
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| |dry_weight =
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| |wet_weight = 186 kg / 409 lbs
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| |fuel_capacity = 19.5 L / 5.1 US gal
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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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| It could reach a top speed of 167 km/h / 104 mph.
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| ==Engine==
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| The engine was a Air cooled cooled Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.. The engine featured a 9.2:1 [[compression ratio]].
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| ==Drive==
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| Power was moderated via the Dry single plate, with [[diaphragm]] spring.
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| ==Chassis==
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| It came with a 3.00 - 21 front [[tire]] and a 4.00 - 18 rear tire. Stopping was achieved via Single ∅260mm disc in the front and a ∅200mm Drum in the rear. The front suspension was a Telescopic hydraulic forks while the rear was equipped with a Monolever swinging arm. The R 80G/S was fitted with a 19.5 L / 5.1 US gal fuel tank. The wheelbase was 1465 mm / 67.6 in long.
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| == Photos ==
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| [[File:BMW-R80GS-81.jpg|600px|BMW R 80G/S]]
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| [[File:BMW-R80GS-80.jpg|600px|BMW R 80G/S]]
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| [[File:BMW-R80GS-80--2.jpg|600px|BMW R 80G/S]]
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| [[File:BMW-R80GS-80--1.jpg|600px|BMW R 80G/S]]
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| [[File:BMW-R80GS-80--3.jpg|600px|BMW R 80G/S]] | |
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| == Overview ==
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| {| class="wikitable"
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| |-
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| !Make Model
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| |BMW R 80G/S
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| |-
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| !Year
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| |1980
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| |-
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| !Engine Type
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| |Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
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| |-
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| !Displacement
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| |797.5 cc / 48.7 cu in.
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| |-
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| !Bore X Stroke
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| |84.8 x 70.6 mm
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| |-
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| !Cooling System
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| |Air cooled
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| |-
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| !Compression
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| |9.2:1
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| |-
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| !Induction
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| |2 x Bing constant depression carburetorss
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| |-
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| !Ignition
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| |Battery ignition
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| |-
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| !Alternator
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| |Bosch 12 V/280 W
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| |-
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| !Spark Plug
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| |Bosch W 7 D / Beru14-7DU / Champion N9YC
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| |-
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| !Starting
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| |Electric & Kick
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| |-
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| !Max Power
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| |37 kW / 50 hp @ 6500 rpm
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| |-
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| !Max Torque
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| |56.7 Nm / 5.8 kgf-m / 41 ft lb @ 5000 rpm
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| |-
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| !Clutch
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| |Dry single plate, with diaphragm spring
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| |-
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| !Transmission
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| |5 Speed
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| |-
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| !Final Drive
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| |Shaft
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| |-
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| !Gear Ratio
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| |1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
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| |-
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| !Rear Wheel Ratio
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| |1:3.20
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| |-
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| !Frame
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| |Double loop tubular frame with bolt on rear section
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| |-
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| !Front Suspension
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| |Telescopic hydraulic forks
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| |-
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| !Front Wheel Travel
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| |200 mm / 7.8 in
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| |-
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| !Rear Suspension
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| |Monolever swinging arm
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| |-
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| !Rear Wheel Travel
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| |170 mm / 6.6 in
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| |-
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| !Front Brakes
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| |Single ∅260mm disc
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| |-
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| !Rear Brakes
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| |∅200mm Drum
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| |-
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| !Front Tire
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| |3.00 - 21
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| |-
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| !Rear Tire
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| |4.00 - 18
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| |-
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| !Dimensions
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| |Length 2230 mm / 87.7 in Width 820 mm / 32.3 in Height 1150 mm / 45.2 in
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| |-
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| !Wheelbase
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| |1465 mm / 67.6 in
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| |-
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| !Ground Clearance
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| |175 mm / 6.88 in
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| |-
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| !Seat Height
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| |860 mm / 33.9 in
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| |-
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| !Wet Weight
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| |186 kg / 409 lbs
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| |-
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| !Fuel Capacity
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| |19.5 L / 5.1 US gal
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| |-
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| !Consumption Average
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| |5.2 L/100 km / 19.1 km/l / 45 US mpg
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| |-
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| !Standing ¼ Mile
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| |13.8 sec
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| |-
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| !Top Speed
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| |167 km/h / 104 mph
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| |-
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| !Reviews
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| |Epll.no-ip.com / Beemergarage.com / mc24.no / GS pages
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| |-
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| !Manual
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| |5united.net / Owner manual
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| |}
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| == Videos ==
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| {{#ev:youtube|https://www.youtube.com/watch?v=GHJgYquoLcs|600|center}}
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| == External Links ==
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| * http://epll.no-ip.com/pruebas/1981BMWprop/1981BMWprop.htm
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| * http://homepage.sunrise.ch/mysunrise/joerg.hau/mot/r80gs.htm
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| * http://dogpage.future.easyspace.com/
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| * http://www.5united.net/html/repair.html
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| * http://www.mc24.no/article.php?articleID=512&categoryID=124
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| * http://www.beemergarage.com/documents/r80rt2.pdf
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| [[Category:BMW motorcycles]]
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