BMW R 1100 GS 75th Anniversary

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Bmw-r-1100-gs-75th-anniversary-1998-1998-1.jpg
BMW R 1100 GS 75th Anniversary
Manufacturer
BMW
Production 1998
Class Road
Engine
air-cooled, four-stroke, boxer two cylinder, 4 valves per cylinder
Bore / Stroke 99.1mm x 99.1mm
Compression ratio 10.3:1
Horsepower 80.06 HP (59.7 KW) @ 6750RPM
Torque 72.28 ft/lbs (98.0 Nm) @ 5250RPM
Transmission Gear box: 5-speed, manual

Final Drive: shaft

Clutch: dry, single plate, diaphragm spring
Suspension Front: BMW Motorrad Telelever
Rear: BMW Motorrad Paralever
Brakes Front: dual 297mm discs, 3-piston calipers
Rear: single 250mm disc, 3-piston caliper
Front Tire 110/80 R19
Rear Tire 150/70 R17
Wheelbase 59.41 inches (1509 mm)
Length 86.18 inches (2189 mm)
Width 36.18 inches (919 mm)
Seat Height 33.11 inches (841 mm)
Weight 225.0 kg (wet)
Manuals Service Manual


The BMW R 1100 GS 75th Anniversary was a air-cooled, four-stroke, boxer two cylinder, 4 valves per cylinder Road motorcycle produced by BMW in 1998. Max torque was 72.28 ft/lbs (98.0 Nm) @ 5250 RPM. Claimed horsepower was 80.06 HP (59.7 KW) @ 6750 RPM.

Engine[edit]

A 99.1mm bore x 99.1mm stroke result in a displacement of just 1084.0 cubic centimeters.

Drive[edit]

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

Chassis[edit]

It came with a 110/80 R19 front tire and a 150/70 R17 rear tire. Stopping was achieved via dual 297mm discs, 3-piston calipers in the front and a single 250mm disc, 3-piston caliper in the rear. The front suspension was a BMW Motorrad Telelever while the rear was equipped with a BMW Motorrad Paralever. The wheelbase was 59.41 inches (1509 mm) long.

1998 BMW R 1100 GS 75th Anniversary[edit]

1998 BMW R 1100 GS 75th Anniversary

To celebrate 75 years since the R series from the House of Munich has been in production, the German engineers have launched the 1998 R 1100 GS 75th Anniversary. This machine comes with a special paint scheme, redesigned body parts and a number of accessories such as side panniers, hand-guards, heated grips and an adjustable windshield.

In the engine department, it sports an air-cooled, four-stroke, 1084cc, boxer two cylinder powerhouse paired to a five-speed manual transmission, and can reach a maximum power output of 80 horsepower and 97 Nm of torque.