Positioned in Harley-Davidson's custom - cruiser motorcycle lineup, the 2006 Harley-Davidson FLSTFSE Screamin Eagle Fat Boy relies on a 1688 cc (103 cu in) air-cooled twin, two-stroke powerplant. In factory specification, maximum torque reaches 130.2 Nm (96 lb-ft) at 4,000 rpm, transferring power to the rear wheel through belt final drive. Internal engine geometry specifies a bore and stroke of 98.3 x 111.0 mm (3.9 x 4.4 inches) with a 8.6:1 compression ratio.
On the scales, the FLSTFSE Screamin Eagle Fat Boy measures 335.7 kg (740 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 1,638 mm (64.5 in) wheelbase engineered for planted straight-line stability. The 18.92-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Engine
Displacement1688.0 ccm (103.00 cubic inches)
Engine TypeTwin, two-stroke
Engine DetailsTwin, two-stroke
Torque130.2 Nm (13.3 kgf-m or 96.0 ft.lbs) @ 4000 RPM
Compression8.6:1
Bore x Stroke98.3 x 111.0 mm (3.9 x 4.4 inches)
Fuel SystemInjection. Electronic Sequential Port Fuel Injection
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
