Difference between revisions of "BMW R90"

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{{Infobox Motorcycle
{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
{{Motorcycle
|name            = BMW R90
|name            = BMW R90
|image           = [[Image:R90-6.jpg|250px|BMW R90/6]]
|photo           = R90-6.jpg
|aka              =  
|aka              = R 90-6, R 90 S, R90S
|manufacturer    = [[BMW]]
|manufacturer    = BMW
|parent_company  =  
|parent_company  =
|production      =  
|production      = 1973 - 1975
|model_year      =  
|model_year      =
|predecessor      =  
|predecessor      =
|successor        =  
|successor        =
|class            =  
|class            = Naked
|engine          =  
|engine          = two cylinder boxer, four-stroke
|bore_stroke      =  
|bore_stroke      = 90.0mm x 70.6mm
|compression      =  
|compression      = 9.5:1
|top_speed        =  
|top_speed        = 122 mph (196 km/h)
|power            =  
|power            = 65.58 HP (48.9 KW) @ 7000RPM
|torque          =  
|torque          = 56.06 ft/lbs (76.0 Nm) @ 5500RPM
|fuel_system   =
|ignition        =
|ignition        =  
|spark_plug      =
|spark_plug      =  
|battery          =  
|battery          =  
|transmission    =  
|transmission    = Gear box: 5-speed <br>
|frame            =  
Final Drive: [[shaft]] drive (cardan) <br>
|suspension      =  
Clutch: dry, single plate, [[diaphragm]] spring <br>
|brakes          =  
 
|front_tire      =  
|frame            =
|rear_tire       =  
|suspension      =Front: telescopic [[hydraulic]] fork <br>
|rake_trail      =  
Rear: dual adjustable shocks
|wheelbase        =  
|brakes          =Front: dual disc <br>Rear: expanding brake
|length          =  
|front_tire      = {{tire|3.25-19}}
|width            =  
|rear_tire     = {{tire|4.00-18}}
|height          =  
|rake_trail      =
|seat_height      =  
|wheelbase        = 57.72 inches (1466 mm)
|dry_weight      =  
|length          = 85.79 inches (2179 mm)
|wet_weight      =  
|width            = 29.09 inches (739 mm)
|fuel_capacity    =  
|height          =
|oil_capacity    =  
|seat_height      = 32.2 inches (818 mm)
|fuel_consumption =  
|dry_weight      =
|turning_radius  =  
|wet_weight      = 232.0 kg
|related          =  
|fuel_capacity    = 6.34 Gallon (24.00 Liters)
|competition     =
|oil_capacity    =
|manuals     =  
|oil_filter      = {{oilfilter|K&N KN-161}}<ref name="kl_2019">{{cite book|title=2019 K&L Supply Co Catalog|publisher=[https://www.klsupply.com/ K&L Supply Co]|date=2019}}</ref>
|fuel_consumption =
|turning_radius  =
|related          =
|competition      =
}}
}}
The '''[[BMW]] R90S''' was a two cylinder boxer, [[four-stroke]] Naked [[motorcycle]] produced by [[BMW]] between 1973 and 1975. It could reach a top speed of 122 mph (196 km/h). Max [[torque]] was 56.06 ft/lbs (76.0 Nm) @ 5500 RPM. Claimed [[horsepower]] was 65.58 HP (48.9 KW) @ 7000 RPM. 
==Engine==
The engine was a [[air cooled]] two cylinder boxer, four-stroke. A 90.0mm [[bore]] x 70.6mm [[stroke]] result in a [[displacement]] of just 898.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv). 
==Drive==
The bike has a 5-speed transmission. Power was moderated via the dry, single plate, diaphragm spring. 
==Chassis==
It came with a 3.25-19 front [[tire]] and a 4.00-18 rear tire. Stopping was achieved via dual disc in the front and a expanding [[brake]] in the rear. The front suspension was a  telescopic hydraulic fork while the rear was equipped with a dual adjustable shocks. The R90S was fitted with a 6.34 Gallon (24.00 Liters) fuel tank. The wheelbase was 57.72 inches (1466 mm) long. 


==1974 R90/6==
==1974 R90/6==
[[Image:1974-BMW-R906.jpg|left|thumb|1974 BMW R90/6]]
[[Image:1974-BMW-R906.jpg|left|thumb|1974 BMW R90/6]]
<br style="clear: left"/>
<br style="clear: left"/>
Replacements for the '/5' range, the [[BMW|BMW]] '/6' series arrived in October 1973. The newcomers were more sportily styled than the outgoing '/5's, boasting new side-panels and silencers, and totally restyled controls and instruments. Like their predecessors, the three '/6' flat twins shared an identical stroke; the 500cc model though, had been dropped in favour of the new 600cc R60/6, while at the top of the range was a new 900cc superbike: the [[BMW R90S|BMW R90S]]. Apart from the updated styling, the presence of a disc front brake readily distinguished the '/6's, which also benefited from the new five-speed gearbox.
Replacements for the '/5' range, the [[BMW|BMW]] '/6' series arrived in October 1973. The newcomers were more sportily styled than the outgoing '/5's, boasting new side-panels and silencers, and totally restyled controls and instruments. Like their predecessors, the three '/6' flat twins shared an identical stroke; the 500cc model though, had been dropped in favor of the new 600cc R60/6, while at the top of the range was a new 900cc superbike: the [[BMW R90S|BMW R90S]]. Apart from the updated styling, the presence of a disc front brake readily distinguished the '/6's, which also benefited from the new five-speed gearbox.


*Spark Plug: NGK [[NGK BP6ES|BP6ES]]
*Spark Plug: NGK [[NGK BP6ES|BP6ES]]
==1975 R90/6==
==1975 R90/6==
<sgallery>
 
[[Image:1975-BMW-R90-6-Blue-8092-0.jpg|left|thumb|1975 BMW R90/6 in Blue]]
<gallery mode='packed-hover'>
[[Image:1975-BMW-R90-6-Blue-8092-1.jpg|left|thumb|1975 BMW R90/6 in Blue]]
File:1975-BMW-R90-6-Blue-8092-0.jpg|left|thumb|1975 BMW R90/6 in Blue
[[Image:1975-BMW-R90-6-Blue-8092-2.jpg|left|thumb|1975 BMW R90/6 in Blue]]
File:1975-BMW-R90-6-Blue-8092-1.jpg|left|thumb|1975 BMW R90/6 in Blue
[[Image:1975-BMW-R90-6-Blue-8092-3.jpg|left|thumb|1975 BMW R90/6 in Blue]]
File:1975-BMW-R90-6-Blue-8092-2.jpg|left|thumb|1975 BMW R90/6 in Blue
[[Image:1975-BMW-R90-6-Blue-8092-4.jpg|left|thumb|1975 BMW R90/6 in Blue]]
File:1975-BMW-R90-6-Blue-8092-3.jpg|left|thumb|1975 BMW R90/6 in Blue
</sgallery>
File:1975-BMW-R90-6-Blue-8092-4.jpg|left|thumb|1975 BMW R90/6 in Blue
 
</gallery>




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==1976 R90/6==
==1976 R90/6==
<sgallery>
<gallery mode='packed-hover'>
[[Image:1976-BMW-R90-6-Silver-7021-0.jpg|left|thumb|1976 BMW R90/6 in Silver]]
 
[[Image:1976-BMW-R90-6-Silver-7021-1.jpg|left|thumb|1976 BMW R90/6 in Silver]]
File:1976-BMW-R90-6-Silver-7021-0.jpg|left|thumb|1976 BMW R90/6 in Silver
[[Image:1976-BMW-R90-6-Silver-7021-2.jpg|left|thumb|1976 BMW R90/6 in Silver]]
File:1976-BMW-R90-6-Silver-7021-1.jpg|left|thumb|1976 BMW R90/6 in Silver
[[Image:1976-BMW-R90-6-Silver-7021-3.jpg|left|thumb|1976 BMW R90/6 in Silver]]
File:1976-BMW-R90-6-Silver-7021-2.jpg|left|thumb|1976 BMW R90/6 in Silver
</sgallery>
File:1976-BMW-R90-6-Silver-7021-3.jpg|left|thumb|1976 BMW R90/6 in Silver
</gallery>
 
 
 
==1973 - 1976 BMW R 90 S==
[[File:bmw-r90-1973-1976-4.jpg|600px|1973 - 1976 BMW R 90 S]]
[[File:bmw-r90-1973-1976-3.jpg|600px|1973 - 1976 BMW R 90 S]]
[[File:bmw-r90-1973-1976-2.jpg|600px|1973 - 1976 BMW R 90 S]]
[[File:bmw-r90-1973-1976-1.jpg|600px|1973 - 1976 BMW R 90 S]]
[[File:bmw-r90-1973-1976-0.jpg|600px|1973 - 1976 BMW R 90 S]]
 
The 1973 BMW R 90 S is one of the most powerful machine designed by the German engineers up to date. It sports an air-cooled, 898cc, two cylinder boxer engine mated to a five-speed manual transmission that can produce a claimed 67 horsepower and 76 Nm of torque.
 
Also, it comes with features such as a dual seat, a pillion grab rail, a nose-fairing with a windscreen, a dual exhaust system, an analogue instrumentation panel, laced wheels, a telescopic hydraulic front fork, dual adjustable shocks in the rear, dual front disc brakes and a rear drum brake.
 
 
==In Media==
* [https://motopixel.org/pixel/atomic-blonde#bmw-r90 Atomic Blonde]
* [https://motopixel.org/pixel/ace-up-my-sleeve#bmw-r90 Ace Up My Sleeve]
* [https://motopixel.org/pixel/the-dick-emery-show#bmw-r90 The Dick Emery Show]
* [https://motopixel.org/pixel/derrick#bmw-r90 Derrick]
* [https://motopixel.org/pixel/passe-ton-bac-dabord#bmw-r90 Passe ton bac d'abord]
* [https://motopixel.org/pixel/le-faux-cul#bmw-r90 Le faux-cul]
* [https://motopixel.org/pixel/ultimo-deseo#bmw-r90 Último deseo]
* [https://motopixel.org/pixel/turno-de-oficio#bmw-r90 Turno de oficio]
* [https://motopixel.org/pixel/rats-notte-di-terrore#bmw-r90 Rats - Notte di terrore]
* [https://motopixel.org/pixel/fin-de-semana-al-desnudo#bmw-r90 Fin de semana al desnudo]
* [https://motopixel.org/pixel/the-history-of-bmw-the-definitive-story#bmw-r90 The History of BMW: The Definitive Story]
* [https://motopixel.org/pixel/the-pink-panther-strikes-again#bmw-r90 The Pink Panther Strikes Again]
* [https://motopixel.org/pixel/entangled#bmw-r90 Entangled]
* [https://motopixel.org/pixel/homicide#bmw-r90 Homicide]
* [https://motopixel.org/pixel/liebe-am-fjord#bmw-r90 Liebe am Fjord]
* [https://motopixel.org/pixel/buona-come-il-pane#bmw-r90 Buona come il pane]
* [https://motopixel.org/pixel/la-vieja-musica#bmw-r90 La vieja música]
 
 
 
 
==References==
{{reflist}}


{{BMW}}
{{BMW}}
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[[Category:BMW motorcycles|R90]]
[[Category:BMW motorcycles|R90]]
[[Category:BMW R series]]
[[Category:BMW R series]]
[[Category:Naked motorcycles]]
[[Category:1970s motorcycles]]

Latest revision as of 20:07, 23 November 2019

R90-6.jpg
BMW R90
Manufacturer
BMW
Also called R 90-6, R 90 S, R90S
Production 1973 - 1975
Class Naked
Engine
two cylinder boxer, four-stroke
Bore / Stroke 90.0mm x 70.6mm
Compression ratio 9.5:1
Top Speed 122 mph (196 km/h)
Horsepower 65.58 HP (48.9 KW) @ 7000RPM
Torque 56.06 ft/lbs (76.0 Nm) @ 5500RPM
Transmission Gear box: 5-speed

Final Drive: shaft drive (cardan)

Clutch: dry, single plate, diaphragm spring
Suspension Front: telescopic hydraulic fork
Rear: dual adjustable shocks
Brakes Front: dual disc
Rear: expanding brake
Front Tire 3.25-19
Rear Tire 4.00-18
Wheelbase 57.72 inches (1466 mm)
Length 85.79 inches (2179 mm)
Width 29.09 inches (739 mm)
Seat Height 32.2 inches (818 mm)
Weight 232.0 kg (wet)
Oil Filter K&N KN-161[1]
Fuel Capacity 6.34 Gallon (24.00 Liters)
Manuals Service Manual


The BMW R90S was a two cylinder boxer, four-stroke Naked motorcycle produced by BMW between 1973 and 1975. It could reach a top speed of 122 mph (196 km/h). Max torque was 56.06 ft/lbs (76.0 Nm) @ 5500 RPM. Claimed horsepower was 65.58 HP (48.9 KW) @ 7000 RPM.

Engine[edit | edit source]

The engine was a air cooled two cylinder boxer, four-stroke. A 90.0mm bore x 70.6mm stroke result in a displacement of just 898.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the dry, single plate, diaphragm spring.

Chassis[edit | edit source]

It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via dual disc in the front and a expanding brake in the rear. The front suspension was a telescopic hydraulic fork while the rear was equipped with a dual adjustable shocks. The R90S was fitted with a 6.34 Gallon (24.00 Liters) fuel tank. The wheelbase was 57.72 inches (1466 mm) long.

1974 R90/6[edit | edit source]

1974 BMW R90/6


Replacements for the '/5' range, the BMW '/6' series arrived in October 1973. The newcomers were more sportily styled than the outgoing '/5's, boasting new side-panels and silencers, and totally restyled controls and instruments. Like their predecessors, the three '/6' flat twins shared an identical stroke; the 500cc model though, had been dropped in favor of the new 600cc R60/6, while at the top of the range was a new 900cc superbike: the BMW R90S. Apart from the updated styling, the presence of a disc front brake readily distinguished the '/6's, which also benefited from the new five-speed gearbox.


1975 R90/6[edit | edit source]



1976 R90/6[edit | edit source]


1973 - 1976 BMW R 90 S[edit | edit source]

1973 - 1976 BMW R 90 S 1973 - 1976 BMW R 90 S 1973 - 1976 BMW R 90 S 1973 - 1976 BMW R 90 S 1973 - 1976 BMW R 90 S

The 1973 BMW R 90 S is one of the most powerful machine designed by the German engineers up to date. It sports an air-cooled, 898cc, two cylinder boxer engine mated to a five-speed manual transmission that can produce a claimed 67 horsepower and 76 Nm of torque.

Also, it comes with features such as a dual seat, a pillion grab rail, a nose-fairing with a windscreen, a dual exhaust system, an analogue instrumentation panel, laced wheels, a telescopic hydraulic front fork, dual adjustable shocks in the rear, dual front disc brakes and a rear drum brake.


In Media[edit | edit source]



References[edit | edit source]

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.