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{{ | {{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}} | ||
{{Motorcycle | |||
|name = BMW R90 | |name = BMW R90 | ||
| | |photo = R90-6.jpg | ||
|aka = | |aka = R 90-6, R 90 S, R90S | ||
|manufacturer = | |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 | ||
|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 = | ||
|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 | 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== | ||
<gallery mode='packed-hover'> | |||
File:1975-BMW-R90-6-Blue-8092-0.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 | |||
File:1975-BMW-R90-6-Blue-8092-2.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 | ||
File:1975-BMW-R90-6-Blue-8092-4.jpg|left|thumb|1975 BMW R90/6 in Blue | |||
</gallery> | |||
==1976 R90/6== | ==1976 R90/6== | ||
<gallery mode='packed-hover'> | |||
File:1976-BMW-R90-6-Silver-7021-0.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 | |||
File:1976-BMW-R90-6-Silver-7021-2.jpg|left|thumb|1976 BMW R90/6 in Silver | |||
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}} | |||
[[Category:BMW motorcycles|R90]] | [[Category:BMW motorcycles|R90]] | ||
[[Category:BMW R series]] | [[Category:BMW R series]] | ||
[[Category:Naked motorcycles]] | |||
[[Category:1970s motorcycles]] |