BMW R 100GS (1991- 92)

BMW R 100GS (1991- 92)

The BMW R 100GS is a benchmark for large-capacity trail bikes, boasting a reputation as one of the longest-lived models in its niche.

Its Boxer twin engine, with a 992cc displacement and 80-hp output, provides a unique riding experience that’s both rugged and refined.

The Paralever suspension system offers adjustable preload, rebound damping, and compression, ensuring a smooth ride even on the most challenging terrain.

With a seat height of 34.6 inches, the R 100GS is accessible to a wide range of riders, making it an ideal choice for those seeking a capable and versatile trail bike.

Key Specifications

Engine TypeFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity980 cc / 59.8 cu in.
Max Power44 kw / 60 hp
Max Torque76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm
Fuel Tank Capacity24 L / 6.3 US gal
Weight (Wet/Kerb)462 lbs / 210 kg
Seat Height33.5 inches / 850 mm
BMW R 100GS (1991- 92)

All Specifications

Make & Model

ModelBMW R 100GS
Year1991- 92

Engine

Engine TypeFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement980 cc / 59.8 cu in.
Bore x Stroke94 x 70.6 mm
Compression Ratio8.5:1
Max Horsepower44 kw / 60 hp
Max Torque76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm
Engine Management System2 x Bing carburetors
Cooling SystemAir cooled

Performance

Top Speed181 km/h / 112 mph

Transmission

ClutchDry single plate, with diaphragm spring
Gearbox5 Speed
Gear Ratios1st4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Final DriveShaft

Electrical & Electronics System

StarterElectric

Chassis & Suspension

Frame TypeDouble loop tubular frame with bolt on rear section
Front SuspensionTelescopic fork with hydraulic shock absorber.
Front Suspension Travel8.8 inches / 225 mm
Rear SuspensionParalever adjustable preload, rebound damping compression
Rear Suspension Travel7.0 inches / 180 mm

Wheels & Brakes

Front Wheel/Rim Size1.85 – 21 MTH 2
Front Tire Size90/90-21
Rear Wheel/Rim Size2.50 – 17 MTH 2
Rear Tire Size130/80-17
Front BrakesSingle ∅285mm disc, 2 piston caliper
Rear Brakes∅200 Drum

Dimension & Weights

Seat Height33.5 inches / 850 mm
Wheelbase59.6 inches / 1514 mm
Ground Clearance200mm / 7.9 in
Fuel Tank Capacity24 L / 6.3 US gal
Wet (kerb/curb) Weight462 lbs / 210 kg

Features

  • Paralever adjustable preload
  • Rebound damping
  • Compression damping
  • Mass sales of large capacity trail bikes have eluded the UK
  • Paris-Dakar rally style base
  • 900cc V-twin motor
  • Fuel injected
  • 92 x 64mm bore and stroke
  • 9.2:1 compression ratio
  • Indirect fuel injection
  • Hydraulically operated dry seven-plate clutch
  • Five-speed transmission
  • Air and oil cooling
  • Plastic bodywork
  • Tubular cradle frame
  • Soft-Damp monoshock suspension
  • Hlins damper
  • 42mm Marzocchi fork
  • 19in front wheel
  • 100/90 front tire
  • 140/80x17in rear tire
  • BMW Boxer twin
  • 979cc capacity
  • 94 x 70.6mm bore and stroke

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