| General |
|
Year
|
2018
|
2018
|
|
Manufacturer
|
Harley-Davidson®
|
Harley-Davidson®
|
|
Model Name
|
FLFB Softail® Fat Boy®
|
FLFB Softail® Fat Boy®
|
|
Trim Name
|
Base
|
Base
|
|
Generic Type (Primary)
|
Cruiser
|
Cruiser
|
| Engine |
|
Engine
|
Milwaukee-Eight® 107
|
Milwaukee-Eight® 107
|
|
Bore
|
3.937 in. (100 mm)
|
3.937 in. (100 mm)
|
|
Stroke
|
4.374 in. (111.1 mm)
|
4.374 in. (111.1 mm)
|
|
Displacement
|
1,746 cc (107 cu in)
|
1,746 cc (107 cu in)
|
|
Compression Ratio
|
10.0:1
|
10.0:1
|
|
Fuel System
|
Electronic Sequential Port Fuel Injection (ESPFI)
|
Electronic Sequential Port Fuel Injection (ESPFI)
|
|
Exhaust
|
2-into-2 staggered; catalyst in muffler
|
2-into-2 staggered; catalyst in muffler
|
| 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 |
|
Wheel Type, Front
|
Machined, Lakester cast aluminum
|
Machined, Lakester cast aluminum
|
|
Wheels Type, Rear
|
Machined, Lakester cast aluminum
|
Machined, Lakester cast aluminum
|
|
Brakes, Caliper Type
|
4-piston fixed front and 2-piston floating rear
|
4-piston fixed front and 2-piston floating rear
|
| Performance |
|
Engine Torque Testing Method
|
J1349
|
J1349
|
|
Engine Torque
|
109 ft-lb
|
109 ft-lb
|
|
Engine Torque (rpm)
|
3,000
|
3,000
|
|
Lean Angle, Right (deg.)
|
25.6
|
25.6
|
|
Lean Angle, Left (deg.)
|
25.6
|
25.6
|
|
Fuel Economy: Combined City/Hwy
|
47 mpg
|
47 mpg
|
| Electric |
|
Lighting
|
High beam, turn signals, neutral, low oil pressure, engine diagnostics, ABS, security, low battery voltage, low fuel
|
High beam, turn signals, neutral, low oil pressure, engine diagnostics, ABS, security, low battery voltage, low fuel
|
|
Gauges
|
5 inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication
|
5 inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication
|
| Dimensions |
|
Length
|
93.3 in. (2,370 mm)
|
93.3 in. (2,370 mm)
|
|
Seat Height, Laden
|
25.9 in. (658 mm)
|
25.9 in. (658 mm)
|
|
Seat Height, Unladen
|
26.6 in. (675 mm)
|
26.6 in. (675 mm)
|
|
Ground Clearance
|
4.5 in. (115 mm)
|
4.5 in. (115 mm)
|
|
Rake (steering head) (deg)
|
30
|
30
|
|
Trail
|
4.1 in. (104 mm)
|
4.1 in. (104 mm)
|
|
Wheelbase
|
65.6 in. (1,665 mm)
|
65.6 in. (1,665 mm)
|
|
Tires, Front Specification
|
160/60R18,70V,BW
|
160/60R18,70V,BW
|
|
Tires, Rear Specification
|
240/40R18,79V,BW
|
240/40R18,79V,BW
|
|
Fuel Capacity
|
5 gal. (18.9 l)
|
5 gal. (18.9 l)
|
|
Oil capacity
|
5 qt. (4.7 l)
|
5 qt. (4.7 l)
|
|
Weight, As Shipped
|
670 lb. (304 kg)
|
670 lb. (304 kg)
|
|
Weight, In Running Order
|
699 lb. (317 kg)
|
699 lb. (317 kg)
|
|
|
|
|
|
