Harley Davidson FXDBDyna Glide Sturgis (1991)

Harley Davidson FXDBDyna Glide Sturgis (1991)

Meet the 1991 Harley-Davidson FXDB Dyna Glide Sturgis, a machine that embodies the essence of The Look – a harmonious blend of style and substance.

The brainchild of Rit Booth, H-D’s Program Manager for Rubber-Mounted Big-Twin Sport Bikes, this bike is more than just a cosmetic refresh. Its engine, a masterclass in refinement, delivers a unique vibration profile that sets it apart from its peers.

As you twist the throttle, the Sturgis reveals its true character – a potent blend of power and finesse. The gears engage smoothly, and the engine’s rhythmic pulse builds to a crescendo, begging for more.

The 1991 Harley-Davidson FXDB Dyna Glide Sturgis is not just a new model; it’s a bold statement from H-D, one that combines style with substance in perfect harmony, creating an unforgettable riding experience.

Key Specifications

Engine TypeFour stroke, 45 V-Twin, OHV, 2 valves per cylinder.
Engine Capacity81.5 cubic inches / 1337 cc
Max Power52.8 hp / 39.3 kW @ 5000 rpm
Max Torque83.6 Nm / 61.7 ft-lb @ 3000 rpm
Fuel Tank Capacity4.9 US gallons / 18.6 L
Weight (Wet/Kerb)623 lbs / 285 kg
Seat Height29 inches / 737 mm
Harley Davidson FXDBDyna Glide Sturgis (1991)

All Specifications

Make & Model

ModelHarley Davidson FXDBDyna Glide Sturgis
Year1991

Engine

Engine TypeFour stroke, 45 V-Twin, OHV, 2 valves per cylinder.
Displacement81.5 cubic inches / 1337 cc
Bore x Stroke88.8 x 108 mm
Compression Ratio8.5:1
Max Horsepower52.8 hp / 39.3 kW @ 5000 rpm
Max Torque83.6 Nm / 61.7 ft-lb @ 3000 rpm
Engine Management System40mm Keihin carburetor
Lubrication SystemDry sump
Cooling SystemAir cooled

Performance

Top Speed112 mph

Transmission

Gearbox5 Speed
Final DriveChain

Electrical & Electronics System

Chassis & Suspension

Frame TypeDouble downtubes dual cradle steel frame, box section.
Front SuspensionCenter-axle fork with 39mm tubes, 175mm wheel travel.
Rear SuspensionDual shocks adjustable spring preload,

Wheels & Brakes

Front Tire SizeMM90 S19
Rear Tire SizeMT90 S16
Front BrakesSingle disc 1 piston caliper
Rear BrakesSingle disc 1 piston caliper

Dimension & Weights

Seat Height29 inches / 737 mm
Fuel Tank Capacity4.9 US gallons / 18.6 L
Wet (kerb/curb) Weight623 lbs / 285 kg

Features

  • Blacked-out engine
  • Glossy black paint
  • H-D orange pin-striping
  • Minor chrome accents
  • Engine seems less cluttered
  • More tightly and neatly packaged engine
  • No traditional oil tank
  • 80-cubic-inch, 45-degree V-twin engine
  • Five-speed transmission
  • Duplex-chain primary drive
  • Belt final drive
  • Rubber-mounted Big-Twin Sport Bikes design
  • Improved vibration characteristics at idle
  • Reduced vibration at highway speeds
  • Eerily smooth roll-off at any speed
  • Standard 80-cubic-inch, 45-degree V-twin engine
  • Five-speed transmission
Harley Davidson FXDBDyna Glide Sturgis (1991)
Harley Davidson FXDBDyna Glide Sturgis (1991)
Harley Davidson FXDBDyna Glide Sturgis (1991)

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