Editing BMW R100S

{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
{{Infobox Motorcycle
|name             = '''BMW R100S'''
|image            = [[Image:R100S.jpg|frameless|BMW R100S]]
|aka              = R 100 S
|manufacturer     = [[BMW]]
|parent_company   =
|production       = 1976 - 1980
|model_year       =
|predecessor      = [[BMW R90S]]
|successor        =
|class            = [[Standard]]
|engine           = air-cooled, four-stroke, boxer two cylinder, 2 valves per cylidner
|bore_stroke      = 94.0mm x 94.0mm
|compression      = 9.5:1
|top_speed        = 117 mph (189 km/h)
|power            = 70.0 HP (52.2 KW) @ 7000RPM
|torque           = 56.06 ft/lbs (76.0 Nm) @ 6000RPM
|ignition         =
|spark_plug       =
|battery          = 9.5:1
|transmission     = Gear box: 5-speed, manual <br>
Final Drive: [[shaft]] <br>
Clutch: dry, single plate, [[diaphragm]] spring <br>

|frame            =
|suspension       =Front: [[hydraulic]] telescopic fork <br>
Rear: dual adjustable shocks
|brakes           =Front: dual 260mm discs, 2-piston [[calipers]] <br>Rear: 260mm drum
|front_tire       = {{tire|3.25-19}} 
|rear_tire   	  = {{tire|4.00-18}} 
|rake_trail       =
|wheelbase        = 57.72 inches (1466 mm)
|length           = 83.9 inches (2131 mm)
|width            = 29.41 inches (747 mm)
|height           =
|seat_height      = 32.28 inches (820 mm)
|dry_weight       =
|wet_weight       = 220.0 kg
|fuel_capacity    = 6.34 Gallon (24.00 Liters)
|oil_capacity     =
|oil_filter       = Fram CH6060
|fuel_consumption =
|turning_radius   =
|related          = [[BMW R100T]]<br />[[BMW R100RS]]<br />[[BMW R90S]]<br />[[BMW R100GS]]<br />[[BMW R100RT]]
|competition      =
}}

The '''[[BMW]] R 100 S''' was a air-cooled, four-stroke, boxer two cylinder, 2 valves per cylidner Naked [[motorcycle]] produced by [[BMW]] between 1976 and 1980. It could reach a top speed of 117 mph (189 km/h). Max [[torque]] was 56.06 ft/lbs (76.0 Nm) @ 6000 RPM. Claimed [[horsepower]] was 70.0 HP (52.2 KW) @ 7000 RPM.  


==History==
Just a few years after introducing the [[BMW R90/6|BMW R90/6]] and [[BMW R90S|BMW R90S]], [[BMW|BMW]] upped the capacity of its range-topping flat-twins to 980cc for the 1977 season in the form of the '/7' series. The latter comprised the R100/7 tourer, which used the 60bhp version of the new engine, while the cockpit-faired R100S sportster and the fully faired [[BMW R100RS|R100RS]] superbike came with 70bhp on tap. Within a couple of years the R100/7 'naked' had been re-titled [[BMW R100T|R100T]] and gained an extra five horsepower, while the others - together with the new [[BMW R100RT|R100RT]] super-tourer - continued to use the 70bhp engine.



==Engine==
The engine was a [[air cooled]] air-cooled, four-stroke, boxer two cylinder, 2 valves per cylidner. A 94.0mm [[bore]] x 94.0mm [[stroke]] result in a [[displacement]] of just 980.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).  

==Drive==
The bike has a 5-speed, manual 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 260mm discs, 2-piston calipers in the front and a 260mm drum in the rear. The front suspension was a  hydraulic telescopic fork while the rear was equipped with a dual adjustable shocks. The R 100 S was fitted with a 6.34 Gallon (24.00 Liters) fuel tank. The wheelbase was 57.72 inches (1466 mm) long.  




==1976 BMW R 100 S==

The 1976 MY BMW R 100 S has, at its heart, an air-cooled, four-stroke, 980cc, boxer twin cylinder powerhouse paired to a five-speed manual transmission that can produce a claimed 70 horsepower and 76 Nm of torque.

Standard fittings include a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminum wheels and a chromed, dual exhaust system.


==1977 BMW R 100 S==
[[Image:1977-BMW-R100RS.jpg|right|thumb|1977 BMW R100RS]]
The 1977 MY BMW R 100 S is a liter-class naked machine, that is sure to fit the taste for those riders who want superior performance. It comes with a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminum wheels and a chromed, dual exhaust system.

In the engine department, it sports a four-stroke, air-cooled, 980cc, two cylinder boxer powerplant mated to a five-speed manual transmission and can reach a maximum power output of 70 horsepower and 76 Nm of torque.


==1978 BMW R 100 S==
<gallery mode='packed-hover'>
File:bmw-r100s-1978-1978-3.jpg|600px|1978 BMW R 100 S
File:bmw-r100s-1978-1978-1.jpg|600px|1978 BMW R 100 S
File:bmw-r100s-1978-1978-0.jpg|600px|1978 BMW R 100 S
File:1978-BMW-R100S-Black-288-0.jpg|left|thumb|1978 BMW R100S in Black
File:1978-BMW-R100S-Black-288-1.jpg|left|thumb|1978 BMW R100S in Black
File:1978-BMW-R100S-Black-288-2.jpg|left|thumb|1978 BMW R100S in Black
File:1978-BMW-R100S-Black-288-3.jpg|left|thumb|1978 BMW R100S in Black
File:1978-BMW-R100S-Black-288-4.jpg|left|thumb|1978 BMW R100S in Black
</gallery>
The 1978 MY BMW R 100 S has been created by the German engineers for those riders who make zero compromises when it comes to performance. It boasts a maximum power output of 70 horsepower and 76 Nm of torque from its air-cooled, four-stroke, 980cc, boxer two cylinder engine paired to a five-speed manual transmission.

In addition, it comes standard with features such as a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminum wheels and a chromed, dual exhaust system.


==1979 BMW R 100 S==

The 1979 MY BMW R 100 S comes with standard fittings such as a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminum wheels and a chromed, dual exhaust system.

Also, a maximum power output of 70 horsepower and 76 Nm of torque is achieved by its four-stroke, air-cooled, 980cc, boxer opposed two cylinder powerplant that is paired to a five-speed manual transmission with a shaft final drive.


==1980 BMW R 100 S==
<gallery mode='packed-hover'>
File:bmw-r100s-1980-1980-2.jpg|600px|1980 BMW R 100 S
File:bmw-r100s-1980-1980-1.jpg|600px|1980 BMW R 100 S
File:bmw-r100s-1980-1980-0.jpg|600px|1980 BMW R 100 S
File:1980-BMW-R100S.jpg|left|thumb|1980 BMW R100S
</gallery>

The House of Munich has designed and launched the 1980 MY BMW R 100 S for those riders who make zero-compromises when it comes to performance, but also want the sound and feel of a boxer engine. It has, at its heart, an air-cooled, four-stroke, 980cc, boxer twin cylinder powerplant paired to a five-speed manual transmission and can produce 70 horsepower and 76 Nm of torque.

Standard fittings include a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminum wheels and a chromed, dual exhaust system.






==In Media==
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{{BMW}}
[[Category:BMW motorcycles|R100S]]
[[Category:BMW R series]]

[[Category:Standard motorcycles]]

[[Category:1970s motorcycles]]
[[Category:1980s motorcycles]]