Harley Davidson FLSTFB Softail Fat Boy Lo (2012)

The Harley-Davidson FLSTFB Softail Fat Boy Lo is a stripped-down, unapologetic cruiser that embodies the essence of American motorcycle culture. Under its aggressively styled skin lies the robust Twin Cam 96B engine, boasting an Electronic Sequential Port Fuel Injection (ESPFI) system and a helical-cut 5th gear for improved transmission sound.

With its lowered suspension, the Fat Boy Lo offers an exceptional riding experience, with a seat height of just 24.25 inches – the lowest of any stock Harley. The ergonomic enhancements, including a narrower handlebar and redesigned seat, provide an inviting feel, making it easy to get comfortable on this beast.

The bike’s dark side is represented by its extensive use of blacked-out components, from the gloss-black triple clamp covers to the denim-black frame. Whether you’re a seasoned biker or new to the world of cruisers, the Fat Boy Lo promises an unforgettable ride, with its powerful engine and smooth transmission delivering unparalleled performance.

Key Specifications

Engine Type	Four stroke, V-Twin, Twin Cam 103 Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, with Integrated Oil-Cooler
Engine Capacity	103.1 cubic inches / 1690 cc
Max Torque	132 Nm / 98.8 ft. lbs @ 3250 rpm
Fuel Tank Capacity	18.9 Litres / 5 gal
Weight (Wet/Kerb)	731 lbs / 330 kg
Seat Height	24.3 inches / 616 mm

*n/a – information not provided by manufacturer

Harley Davidson FLSTFB Softail Fat Boy Lo (2012)

All Specifications

Make & Model

Model	Harley Davidson FLSTFB Softail Fat Boy Lo
Year	2012

Engine

Engine Type	Four stroke, V-Twin, Twin Cam 103 Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, with Integrated Oil-Cooler
Displacement	103.1 cubic inches / 1690 cc
Bore x Stroke	98.4 x 111.1 mm
Compression Ratio	9.6:1
Max Torque	132 Nm / 98.8 ft. lbs @ 3250 rpm
Engine Management System	Electronic Sequential Port Fuel Injection (ESPFI)
Cooling System	Air cooled

Performance

Top Speed

n/a

*n/a – information not provided by manufacturer

Transmission

Clutch	Multi-plate, wet
Gearbox	6 Speed
Gear Ratios	1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.790
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	41.3 mm telescopic, chrome dust covers
Rear Suspension	Hidden, horizontal-mounted, coil-over shock
Trail	147 mm / 5.7 in

Wheels & Brakes

Front Tire Size	140/75R17 67V
Rear Tire Size	200/55R17 78V
Front Brakes	Single 292mm disc 4 piston caliper
Rear Brakes	Single 292mm disc 4 piston caliper

Dimension & Weights

Seat Height	24.3 inches / 616 mm
Wheelbase	67.5 inches / 1715 mm
Fuel Tank Capacity	18.9 Litres / 5 gal
Wet (kerb/curb) Weight	731 lbs / 330 kg
Dry Weight	317.5 kg / 700 lbs

Features

Lowered front and rear suspension by 1.15-inches
Seat height of 24.25 inches, the lowest of any stock Harley
Narrower seat for easier reach to the ground
Gloss black finish on triple clamp covers and nacelle
Denim black finish on frame, swingarm, and other components
Black powdercoating on Twin Cam 96B engine
Bullet Hole Disc Cast Aluminum wheels with black centers and machined outer rims
New leather tank panel with Harley-Davidson medallion
Satin-chrome tank console and side badges
Helical cut 5th gear for improved transmission sound
Over/under shotgun exhaust with satin-chrome mufflers
Half-moon black rider floorboards
Stainless steel, internally-wired handlebar
Rolled edge front fender
Full-coverage rear fender
Rigid-mounted, counter-balanced Twin Cam 96B V-Twin engine
Electronic Sequential Port Fuel Injection (ESPFI)
6-Speed Cruise Drive Transmission
Horseshoe oil tank
Five-gallon fuel tank

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com