Difference between revisions of "BMW R 80G/S"

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

Latest revision as of 02:39, 14 June 2020

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