| General |
|
Year
|
2015
|
2015
|
|
Manufacturer
|
Harley-Davidson®
|
Harley-Davidson®
|
|
Model Name
|
FLSTFB Softail® Fat Boy® Lo
|
FLSTFB Softail® Fat Boy® Lo
|
|
Trim Name
|
Base
|
Base
|
|
Generic Type (Primary)
|
Cruiser
|
Cruiser
|
| Dimensions |
|
Length
|
93.9 in.
|
93.9 in.
|
|
Seat Height, Laden
|
24.3 in.
|
24.3 in.
|
|
Seat Height, Unladen
|
26.4 in.
|
26.4 in.
|
|
Ground Clearance
|
4.9 in.
|
4.9 in.
|
|
Rake (steering head) (deg)
|
31.6
|
31.6
|
|
Trail
|
5.8 in.
|
5.8 in.
|
|
Wheelbase
|
64.2 in.
|
64.2 in.
|
|
Tires, Front Specification
|
140/75R17 67V
|
140/75R17 67V
|
|
Tires, Rear Specification
|
200/55R17 78V
|
200/55R17 78V
|
|
Fuel Capacity
|
5 gal.
|
5 gal.
|
|
Oil capacity
|
(w/filter): 3.5 qt.
|
(w/filter): 3.5 qt.
|
|
Weight, As Shipped
|
700 lb.
|
700 lb.
|
|
Weight, In Running Order
|
731 lb.
|
731 lb.
|
| Engine |
|
Engine
|
Air-cooled, Twin Cam 103B™; Recommended 91 octane or higher fuel (R+M)/2.
|
Air-cooled, Twin Cam 103B™; Recommended 91 octane or higher fuel (R+M)/2.
|
|
Bore
|
3.87 in.
|
3.87 in.
|
|
Stroke
|
4.374 in.
|
4.374 in.
|
|
Displacement
|
103.1 cu in
|
103.1 cu in
|
|
Compression Ratio
|
9.6:1
|
9.6:1
|
|
Fuel System
|
Electronic Sequential Port Fuel Injection (ESPFI); Standard and optional fuel systems may vary by country.
|
Electronic Sequential Port Fuel Injection (ESPFI); Standard and optional fuel systems may vary by country.
|
| Drivetrain |
|
Primary Drive
|
Chain, 34/46 ratio
|
Chain, 34/46 ratio
|
|
Gear Ratios (overall) 1st
|
9.311
|
9.311
|
|
Gear Ratios (overall) 2nd
|
6.454
|
6.454
|
|
Gear Ratios (overall) 3rd
|
4.793
|
4.793
|
|
Gear Ratios (overall) 4th
|
3.882
|
3.882
|
|
Gear Ratios (overall) 5th
|
3.307
|
3.307
|
|
Gear Ratios (overall) 6th
|
2.79
|
2.79
|
| Chassis |
|
Exhaust
|
Denim Black and Satin Chrome, over/under shotgun exhaust with dual mufflers
|
Denim Black and Satin Chrome, over/under shotgun exhaust with dual mufflers
|
|
Wheel Type, Front
|
Black, Bullet Hole Disc Cast Aluminum
|
Black, Bullet Hole Disc Cast Aluminum
|
|
Wheels Type, Rear
|
Black, Bullet Hole Disc Cast Aluminum
|
Black, Bullet Hole Disc Cast Aluminum
|
|
Brakes, Caliper Type
|
4-piston front and 2-piston rear
|
4-piston front and 2-piston rear
|
|
Parking Brake
|
|
|
| Performance |
|
Engine Torque Testing Method
|
J1349
|
J1349
|
|
Engine Torque
|
97.4 ft-lb.; Values shown are nominal. Performance may vary by country and region.
|
97.4 ft-lb.; Values shown are nominal. Performance may vary by country and region.
|
|
Engine Torque (rpm)
|
3,000
|
3,000
|
|
Lean Angle, Right (deg.)
|
25.6
|
25.6
|
|
Lean Angle, Left (deg.)
|
25.2
|
25.2
|
|
Fuel Economy: Combined City/Hwy
|
42 mpg
|
42 mpg
|
| Electric |
|
Lighting
|
High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
|
High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
|
|
Gauges
|
Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
|
Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
|
|
|
|
|
