BMW R 1100 S - 2001 Specifications and Reviews

The 2001 BMW R 1100 S is a sport-touring boxer twin that appeals to riders seeking spirited performance without sacrificing comfort and practicality. Known for its distinctive horizontally-opposed engine delivering smooth power, responsive handling, and legendary shaft drive reliability, it excels as a capable all-rounder for both road and light adventure riding.

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About the BMW R 1100 S

Powered by an air and oil cooled 1,085.00cc Boxer flat twin cylinder four stroke engine, producing 98bhp.

The engine is derived from the R1100RS although the compression ratio has been tweaked along with changes to the air intake and forged connecting rods to increase the top speed and power.

Power is delivered to the rear wheel via shaft drive and the engine is a stressed member of the frame, just like the R1100RS

The look is unique with the single sided swingarm, low down Boxer engine, dual under seat exhaust system and asymmetrical headlights. 

Optional extras include 12V socket, 5.5" rear wheel (+0.5") with 180/55 tyre, engine spoiler, sports suspension set-up, tall screen, high handlebars, 2-level heated grips, hard panniers and ABS II.

Timeline

2002: Front discs were enlarged to 320mm.

BoxerCup Replica (2003): Main differences over the base bike are a revised fourth gear ratio from, wider 5.5" rear wheel with 180/55 tyre, engine spoiler, 60mm higher seat, Metzeler Sportek M1 tyres and Laser exhausts. Like the racing machines it also has a raised chassis with longer spring struts and Carbon Fiber Reinforced Plastic (CFRP) cylinder head covers.

General information

CategorySport touring
Year2001
ModelBMW R 1100 S

Engine and Transmission Specifications

Transmission type,final driveShaft drive (cardan)
Gearbox6-speed
Cooling systemAir
Fuel systemInjection
Valves per cylinder4
Bore x stroke99.0 x 70.5 mm (3.9 x 2.8 inches)
Top speed220.0 km/h (136.7 mph)
Torque97.00 Nm (9.9 kgf-m or 71.5 ft.lbs) @ 5750
Power98.00
Engine typeTwo cylinder boxer, four-stroke
Capacity:1085.00 ccm (66.21 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter276 mm (10.9 inches)
Rear brakesSingle disc
Front brakes diameter305 mm (12.0 inches)
Front brakesDual disc
Rear tyre dimensions170/60-ZR17
Front tyre dimensions120/70-ZR17
Rear suspension travel130 mm (5.1 inches)
Front suspension travel110 mm (4.3 inches)
 
 

Physical measures and capacities

Fuel capacity18.00 litres (4.76 gallons)
Wheelbase1,478 mm (58.2 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc229.0 kg (504.9 pounds)
 
 

Other specs

StarterElectric

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 800mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2001 BMW R 1100 S, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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