| General |
|
Year
|
2015
|
2015
|
|
Manufacturer
|
Harley-Davidson®
|
Harley-Davidson®
|
|
Model Name
|
FLSTF Softail® Fat Boy®
|
FLSTF Softail® Fat Boy®
|
|
Trim Name
|
Base
|
Base
|
|
Generic Type (Primary)
|
Cruiser
|
Cruiser
|
| Dimensions |
|
Length
|
94.3 in.
|
94.3 in.
|
|
Seat Height, Laden
|
25 in.
|
25 in.
|
|
Seat Height, Unladen
|
27.2 in.
|
27.2 in.
|
|
Ground Clearance
|
5.1 in.
|
5.1 in.
|
|
Rake (steering head) (deg)
|
31
|
31
|
|
Trail
|
5.8 in.
|
5.8 in.
|
|
Wheelbase
|
64.4 in.
|
64.4 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.
|
3.5 qt.
|
|
Weight, As Shipped
|
694 lb.
|
694 lb.
|
|
Weight, In Running Order
|
725 lb.
|
725 lb.
|
| Engine |
|
Engine
|
Air-cooled, Twin Cam 103B™
|
Air-cooled, Twin Cam 103B™
|
|
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)
|
Electronic Sequential Port Fuel Injection (ESPFI)
|
| 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
|
Chrome, over/under shotgun exhaust with dual mufflers
|
Chrome, over/under shotgun exhaust with dual mufflers
|
|
Wheel Type, Front
|
Mirror Chrome Aluminum Bullet Hole Disc
|
Mirror Chrome Aluminum Bullet Hole Disc
|
|
Wheels Type, Rear
|
Mirror Chrome Aluminum Bullet Hole Disc
|
Mirror Chrome Aluminum Bullet Hole Disc
|
|
Brakes, Caliper Type
|
4-piston front and 2-piston rear
|
4-piston front and 2-piston rear
|
| Performance |
|
Engine Torque Testing Method
|
J1349
|
J1349
|
|
Engine Torque
|
97.4 ft-lb
|
97.4 ft-lb
|
|
Engine Torque (rpm)
|
3,000
|
3,000
|
|
Lean Angle, Right (deg.)
|
26.2
|
26.2
|
|
Lean Angle, Left (deg.)
|
27
|
27
|
|
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
|
|
|
|
|
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