Harley Davidson FLSTF Fat Boy (2015)

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The Harley Davidson FLSTFB Softail Fat Boy Lo motorcycle was released in 2015 with a four-stroke, V-twin, Twin Cam 103 c Pushrod-operated engine. It has a capacity of 1690 cc or 103.1 cu-in with a compression ratio of 9.6:1 and electronic sequential port fuel injection, capable of producing torque of up to 132 Nm or 98.8 ft. lbs @ 3250 rpm. The clutch is multi-plate and wet, while the transmission has six speeds with a final drive of a belt. The frame is made of mild steel with a tubular frame and rectangular section backbone with stamped, cast, and forged junctions, forged fender supports, and MIG welded. The front suspension is a 41.3 mm telescopic, chrome dust covered, and the rear suspension is hidden, horizontal-mounted, coil-over shock. The brakes on this motorcycle are single 292 mm discs, four piston calipers. The bike has a gross vehicle weight rating of 526.0 kg or 1160 lbs, and dry weight of 317.5 kg or 700 lbs. It measures at 2445 mm or 96.2 in length, has a wheelbase of 1715 mm or 67.5 in, and a seat height of 616 mm or 24.3 in when laden and 669 mm or 26.4 in when unladen. It also has a fuel capacity of 18.9 litres or 5 gallons and oil capacity of 3.3 litres or 3.50 quarts.

Technical specifications:

Make Model: Harley Davidson FLSTFB Softail Fat Boy Lo

Year: 2015


Engine: Four stroke, V-Twin, Twin Cam 103 c Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, with Integrated Oil-Cooler
Capacity: 1690 cc / 103.1 cu-in
Bore x Stroke: 98.4 x 111.1 mm
Cooling System: Air cooled
Compression Ratio: 9.6:1
Induction: Electronic Sequential Port Fuel Injection (ESPFI)
Ignition: Single-fire, non-wasted, map-controlled spark ignition
Starting: Electric
Max Torque: 132 Nm / 98.8 ft. lbs @ 3250 rpm
Clutch: Multi-plate, wet
Transmission: 6 Speed
Final Drive: Belt
Gear Ratio: 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.790
Frame: 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
Front Brakes: Single 292mm disc 4 piston caliper
Rear Brakes: Single 292mm disc 4 piston caliper
Front Tyre: 140/75R17 67V
Rear Tyre: 200/55R17 78V
Rake (steering head): 31.6 degrees
Trail: 147 mm / 5.7 in
Dimensions: Length 2445 mm / 96.2 in
Wheelbase: 1715 mm / 67.5 in
Seat Height: Laden 616 mm /24.3 in Unladen 669 mm / 26.4 in
Gross Vehicle Weight Rating: 526.0 kg / 1160 lbs
Dry Weight: 317.5 kg / 700 lbs
Wet Weight: 330 kg / 731 lbs
Oil Capacity: 3.3 Litres / 3.50 qts
Fuel Capacity: 18.9 Litres / 5 gal

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