BMW R100GS

BMW R100GS

The 1990 MY BMW R 100 GS comes with a hydraulic telescopic front fork, a BWM Motorrad Paralever rear suspension, a single disc brake in the front coupled to a drum brake in the rear, a dual seat, a small luggage rack, pillion grab handles, a small fairing laced wheels, analogue instruments, a blacked-out frame and an under-seat exhaust system.

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Model year
1990
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Make
BMW
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Engine Power
59.55 HP (43.8 kW) @ 6500 rpm
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Top Speed
112.47 mph

Technical Specifications

Engine and transmission

  • Engine type:
    2 cylinders, 4-stroke, Boxer
  • Displacement:
    979 cc (59.82 cubic inches)
  • Bore × stroke:
    3.7 inch × 2.78 inch (oversquare - shortstroke)
  • Cooling system:
    Air cooled
  • Power:
    59.55 HP (43.8 kW) @ 6500 rpm
  • Torque:
    76 Nm (56.05 lb-ft) @ 3750 rpm
  • Valves
    Valve train:
    OHV, variable
    Valves per cylinder:
    2
  • Fuel and ignition
    Sparks per cylinder:
    1
    Fuel supply system:
    Carburetor
  • Throttle:
    Cable operated
  • Compression:
    8.5:1
  • Engine mounting:
    Longitudinal
  • Lubrication system:
    Wet sump
  • Gear box:
    Manual 5-speed
  • Clutch:
    Dry, single plate, cable operated
  • Final drive:
    Shaft
  • Spark plug pipe type:
    Bosch, W7DC

Dimensions

  • Physical measures
    Length:
    90.2 inch
    Width:
    39.4 inch
    Height:
    45.9 inch
  • Weight
    Curb weight:
    496 lbs
  • Wheel base:
    59.6 inch
  • Ground clearance:
    7.87 inch
  • Seat height:
    33.5 inch

Chassis and suspension

  • Front
    Suspension:
    Cartridge
    Suspension travel:
    8.86 inch
    Brake:
    Single Disk, Ø11.22 inch
    Tire:
    90 / 90 R21
  • Rear
    Suspension:
    mono shock, Paralever
    Suspension travel:
    7.09 inch
    Brake:
    Drum, Ø7.87 inch
    Tire:
    130 / 80 R17
  • Frame type:
    steel, Double cradle frame

Other

  • ABS available:
    No
  • Power-to-weight ratio:
    0.19 KW/lbs (5.14 lbs/HP)
  • Acceleration (0-60 mph):
    4.8 sec
  • Top speed:
    112.47 mph
  • Fuel capacity:
    6.87 gals
  • Number of riders:
    2 persons

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