The Harley-Davidson Fat Boy motorcycle is fat, dark and strong; a custom icon that's the new big dog on the road.


Length 2,396 mm
Seat Height, Laden 1645 mm Seat Height, Unladen 1690 mm
Ground Clearance 130 mm
Rake (steering head) (deg)31
Trail 147 mm
Wheelbase 1,635 mm
Tires, Front Specification 140/75R17 67V
Tires, Rear Specification 200/55R17 78V
Fuel Capacity 18.9 l
Oil Capacity (w/filter) 3.3 l
Weight, As Shipped 313 kg Weight, In Running Order330 kg


Engine 2Air-cooled, Twin Cam 103B
Bore 98.4 mm
Stroke 111.1 mm
Displacement 1,690 cc
Compression Ratio 9,6:1
Fuel System Electronic Sequential Port Fuel Injection (ESPFI)


Primary Drive Chain, 34/46 ratio
Gear Ratios (overall) 1st9.311
Gear Ratios (overall) 2nd6.454
Gear Ratios (overall) 3rd4.793
Gear Ratios (overall) 4th3.882
Gear Ratios (overall) 5th3.307
Gear Ratios (overall) 6th2.79


Exhaust Chrome, over/under shotgun exhaust with dual mufflers
Wheels, Front Type 4Mirror Polished Chrome, Bullet Hole Disc Cast Aluminum
Wheels, Rear Type 4Mirror Polished Chrome, Bullet Hole Disc Cast Aluminum
Brakes, Caliper Type4-piston front and 2-piston rear


Engine Torque Testing MethodEEC/95/1
Engine Torque 3132 Nm
Engine Torque (rpm)3,250
Lean Angle, Right (deg.)26.2
Lean Angle, Left (deg.)27
Fuel Economy: Combined City/Hwy5.6 l/100 km