Harley-Davidson FL Hydra Glide 1957

Complete specifications and details for the 1957 Harley-Davidson FL Hydra Glide. This comprehensive guide includes engine specifications, dimensions, features, and performance data.

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Basic Information

MakeHarley-Davidson
ModelFL Hydra Glide
Year1957
CategoryTouring

Chassis, Suspension & Brakes

Frame TypeSteel double downtube
Front BrakesExpanding brake (drum brake)
Front SuspensionHydraulic telescopic forks
Front Tyre5.00-16
Rear BrakesExpanding brake (drum brake)
Rear SuspensionHardtail
Rear Tyre5.00-16
SeatSolo seat
WheelsLaced wheels with whitewall tires

Other Specifications

Carrying CapacitySoft saddlebags
Color OptionsBlack, red, blue
Electrical6 Volt battery.

Engine & Transmission

Displacement1212.00 ccm (73.96 cubic inches)
Engine TypeKnucklehead V-twin engine
Engine DetailsV2, four-stroke
Power55.00 HP (40.1 kW)) @ 4800 RPM
Torque85.43 Nm (8.7 kgf-m or 63.0 ft.lbs) @ 3200 RPM
Top Speed160.9 km/h (100.0 mph)
Compression7.0:1
Bore X Stroke87.0 x 102.0 mm (3.4 x 4.0 inches)
Fuel SystemCarburettor
Cooling SystemAir
Gearbox4-speed
Transmission Type Final DriveChain

Dimensions & Capacities

Dry Weight267.0 kg (588.6 pounds)
Fuel Capacity14.19 litres (3.75 gallons)
Oil Capacity3.80 litres (0.25 quarts)
Power Weight Ratio0.2060 HP/kg