Harley Davidson FXD Dyna Super Glide (1991 – 94)

The Harley-Davidson FXDC Dyna Super Glide – a true masterpiece of American engineering. Born from the fusion of two legendary engines, the 1340cc Evolution and the innovative Dyna Glide chassis, this bike is a testament to Harley-Davidson’s commitment to excellence.

At its heart lies the magnificent 1340cc engine, a symphony of power and torque. With two 88.8mm bore pistons working in harmony over an 108mm stroke, this beast produces a staggering 621lb-ft of torque at just 3600rpm. But what sets it apart is its reluctance to rev; instead, it thrives on short-shifting and low-revving riding, delivering a smooth, effortless ride.

The Dyna Glide chassis is the perfect complement to this engine, boasting improved isolation between the frame and engine thanks to its innovative double rubber mounts. The result is a smoother, less tiring ride that’s a world apart from its predecessors.

Key Specifications

Engine Type	Four stroke, 45 V-Twin, OHV, 2 valves per cylinder.
Engine Capacity	81.5 cubic inches / 1337 cc
Max Power	67 hp / 48.9 kW @ 6000 rpm
Max Torque	71.5 ft-lb / 97 nm
Fuel Tank Capacity	4.2 US gallons / 16.0 L

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	Harley Davidson FXD Dyna Super Glide
Year	1991 – 94

Engine

Engine Type	Four stroke, 45 V-Twin, OHV, 2 valves per cylinder.
Displacement	81.5 cubic inches / 1337 cc
Bore x Stroke	88.8 x 108 mm
Compression Ratio	8.5:1
Max Horsepower	67 hp / 48.9 kW @ 6000 rpm
Max Torque	71.5 ft-lb / 97 nm
Engine Management System	38mm Keihin carburetor
Lubrication System	Dry sump
Cooling System	Air cooled

Performance

Top Speed

n/a

*n/a – information not provided by manufacturer

Transmission

Clutch	Wet 9-plate
Gearbox	5 Speed
Gear Ratios	1st 10.1102nd 6.9583rd 4.9534th 3.8625th 3.150
Final Drive	Belt

Electrical & Electronics System

Starter

Electric

Chassis & Suspension

Frame Type	Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded
Front Suspension	39 mm w/ polished aluminum fork triple clamp and dual-rate springs
Rear Suspension	Coil over shock

Wheels & Brakes

Front Tire Size	130/90-16
Rear Tire Size	130/90-16
Front Brakes	Single 292mm disc
Rear Brakes	Single 292mm disc

Dimension & Weights

Fuel Tank Capacity	4.2 US gallons / 16.0 L
Dry Weight	271.0 kg / 597.5 lbs

Features

Hydraulic tappets keep the two pushrod-operated valves in order
Mixture is fed by a 40mm Keihin CV carb slightly recalibrated this year for better cold starting
Primary drive is by chain
Final drive is by Kevlar reinforced belt
Engine produces a claimed 621lb-ft of torque at just 3600rpm
Torque is optimized for short-shifting, low revving riding
New Dyna Glide chassis features two engine mounts (one front, one back)
Engine mounts are sandwiched between steel plates and metal blocks with rubber pads
Longer swing-arm allows the belt to run outside the frame
Renewal of said belt no longer needs removal of said swing-arm
Five-speed box boasts a light, positive action and minimal throw
The best policy is to ride in fourth or fifth gear for optimal performance
Engine has two 88.8mm bore pistons, 45 degrees apart
Compression ratio is 8.5:1
Engine is rubber-mounted

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