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Custom - Cruiser · 1983

FXWG 1340 Wide Glide

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MotoLibrary Score
51 /100 Balanced
Power/Weight
0.24 hp/kg
Top Speed
155 km/h
Torque
69 Nm
Engine
1337 ccm

1983 Harley-Davidson FXWG 1340 Wide Glide Technical Analysis & Specification Breakdown

Engineered by Harley-Davidson for the custom - cruiser motorcycle segment, the 1983 Harley-Davidson FXWG 1340 Wide Glide features a 1337 cc (81.6 cu in) air-cooled v2, four-stroke configuration. In factory specification, peak output is rated at 67 HP (48.9 kW) at 5,800 rpm while maximum torque reaches 69 Nm (50.9 lb-ft) at 3,000 rpm, transferring power to the rear wheel through a 4-speed gearbox and belt final drive. With a specific output of 50.1 HP per liter and a 2,800 rpm working window between peak torque (3,000 rpm) and peak power (5,800 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the FXWG 1340 Wide Glide measures 292 kg (644 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.36 kg per horsepower). The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).

Within MotoLibrary's Harley-Davidson archive, this model family spans 6 indexed model years from 1980 to 1985, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
50.1 HP/L
Power-to-Weight
0.23 HP/kg (4.36 kg/HP)
Power Band Window
3,000–5,800 rpm
Engine
Displacement 1337.0 ccm (81.58 cubic inches)
Engine Type V2, four-stroke
Engine Details V2, four-stroke
Power 67.0 HP (48.9 kW)) @ 5800 RPM
Torque 69.0 Nm (7.0 kgf-m or 50.9 ft.lbs) @ 3000 RPM
Compression 7.4:1
Bore x Stroke 88.8 x 108.0 mm (3.5 x 4.3 inches)
Valves/Cylinder 2
Fuel System Carburettor
Fuel Control Overhead Valves (OHV)
Ignition Analogue CDI
Cooling Air
Transmission
Gearbox 4-speed
Final Drive Belt (final drive)
Clutch Wet 9-plate
Performance
Top Speed 155.0 km/h (96.3 mph)
Chassis
Front Suspension Telescopic forks
Rear Suspension Swinging fork.
Wheels & Brakes
Front Tyre MJ90-19
Rear Tyre MT90-16
Front Brakes Double disc
Front Brake Ø 292 mm (11.5 inches)
Rear Brakes Single disc
Rear Brake Ø 255 mm (10.0 inches)
Dimensions & Weight
Dry Weight 278.0 kg (612.9 pounds)
Weight incl. 292.0 kg (643.7 pounds)
Power/Weight 0.2410 HP/kg
Fuel Capacity 19.00 litres (5.02 US gallons)
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Power
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Torque
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Weight
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Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
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Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

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Intermediate
Requires some riding experience.
✌️
Best For
Cruising & Touring
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Handling
Heavy bike — requires confident handling
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