Difference between revisions of "BMW R100S"

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Revision as of 04:52, 28 June 2019

BMW R100S
BMW R100S
Manufacturer BMW
Also called R 100 S
Production 1976 - 1980
Predecessor BMW R90S
Class Standard
Engine air-cooled, four-stroke, boxer two cylinder, 2 valves per cylidner
Bore / Stroke 94.0mm x 94.0mm
Compression ratio 9.5:1
Top speed 117 mph (189 km/h)
Horse Power 70.0 HP (52.2 KW) @ 7000RPM
Torque 56.06 ft/lbs (76.0 Nm) @ 6000RPM
Battery 9.5:1
Transmission Gear box: 5-speed, manual

Final Drive: shaft

Clutch: dry, single plate, diaphragm spring
Suspension Front: hydraulic telescopic fork
Rear: dual adjustable shocks
Brakes Front: dual 260mm discs, 2-piston calipers
Rear: 260mm drum
Front Tire 3.25-19
Rear Tire 4.00-18
Wheelbase 57.72 inches (1466 mm)
Dimensions L 83.9 inches (2131 mm)
W 29.41 inches (747 mm)
Seat height 32.28 inches (820 mm)
Weight  (dry), 220.0 kg (wet)
Fuel capacity 6.34 Gallon (24.00 Liters)
Related BMW R100T
BMW R100RS
BMW R90S
BMW R100GS
BMW R100RT
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

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 and BMW R90S, 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 R100RS superbike came with 70bhp on tap. Within a couple of years the R100/7 'naked' had been re-titled R100T and gained an extra five horsepower, while the others - together with the new 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

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

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

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.




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