BMW K100 LT (1987-88)

BMW K100 LT (1987-88)

The BMW K100 LT, born from the innovative spirit of Josef Fritzenweger, defied convention with its in-line 4-cylinder engine. By positioning the cylinders lengthwise, BMW achieved a low center of gravity, reliable shaft drive, and exceptional engine accessibility. The 4-cylinder layout also offered increased power potential, efficiency, and a manageable noise level.

This groundbreaking design not only pushed the boundaries of motorcycle engineering but also paved the way for future BMW models. The K100 LT’s engine, a marvel of modern technology, boasted a compact aluminum construction and an impressive power-to-weight ratio.

As you twist the throttle, the K100 LT’s engine comes alive, delivering a smooth, refined power delivery that belies its impressive performance capabilities. With its robust, rigid frame and exceptional handling, the K100 LT is an exhilarating ride that rewards every turn of the wrist. And yet, it’s also a comfortable, practical touring machine that invites you to hit the open road and keep going. Whether you’re cruising down the highway or carving through twisties, the BMW K100 LT is an unforgettable riding experience.

Key Specifications

Engine TypeFour stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Engine Capacity987 cc / 60.2 cub. in
Max Power65.6 kw / 90 hp
Max Torque86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Fuel Tank Capacity22 Liters / 5.8 US gal
Weight (Wet/Kerb)558 lbs / 253 kg
Seat Height31.90 inches / 810 mm
BMW K100 LT (1987-88)

All Specifications

Make & Model

ModelBMW K100 LT
Year1987-88

Engine

Engine TypeFour stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Displacement987 cc / 60.2 cub. in
Bore x Stroke67 x 70 mm
Compression Ratio10.2:1
Max Horsepower65.6 kw / 90 hp
Max Torque86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Engine Management SystemElectronic injection, Bosch LE-Jetronic
Lubrication SystemWet sump
Cooling SystemLiquid cooled
ExhaustStainless steel, 4 into 1

Performance

Top Speed213 km/h / 132 mph

Transmission

ClutchDry, single plate, cable operated
Gearbox5 Speed
Gear Ratios1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61:1
Final DriveShaft

Electrical & Electronics System

Battery20Ah
StarterElectric

Chassis & Suspension

Frame TypeTubular space frame, engine serving as load bearing component
Front SuspensionTelescopic fork with hydraulic shock absorber
Front Suspension Travel7.3 inches / 185 mm
Rear SuspensionMonolever swinging arm
Rear Suspension Travel4.3 inches / 110 mm

Wheels & Brakes

WheelsAlloy, 8 spoke
Front Wheel/Rim Size2.50 x 18 MT H 2
Front Tire Size100/90-18
Rear Wheel/Rim Size2.75 x 17 MT H 2
Rear Tire Size130/90-17
Front Brakes2 x ∅285 mm discs, 2 piston calipers
Rear BrakesSingle ∅285 mm disc, 1 piston caliper

Dimension & Weights

Seat Height31.90 inches / 810 mm
Wheelbase1516 m /59.7 in.
Ground Clearance175 mm / 6.9 in.
Fuel Tank Capacity22 Liters / 5.8 US gal
Wet (kerb/curb) Weight558 lbs / 253 kg

Features

  • 4-cylinder engine positioned lengthwise
  • Low center of gravity
  • Shaft drive is reliable
  • Good accessibility of the engine
  • Engine can easily obtain more power
  • Economical to build
  • Manageable noise
  • Rigid engine that can be part of the motorcycle frame
  • Water-cooled engine
  • Aluminum engine
  • Compact Drive System
  • Patented technology
  • Compact design
  • In-line engine with boxer engine benefits
  • Engine can be used in both motorcycles and cars
  • Improved engine accessibility
  • Manual adjustable timing
  • Fuel injection system
  • Temporary exhaust
BMW K100 LT (1987-88)
BMW K100 LT (1987-88)

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