At the heart of the 2018 Harley-Davidson Ultra Limited touring motorcycle, Harley-Davidson utilizes a 1745 cc (106.5 cu in) oil & air-cooled v2, four-stroke layout. In factory specification, peak output is rated at 90 HP (65.7 kW) at 5,450 rpm while maximum torque reaches 153 Nm (112.9 lb-ft) at 3,250 rpm, transferring power to the rear wheel through a 6-speed gearbox and belt final drive. With a specific output of 51.6 HP per liter and a 2,200 rpm working window between peak torque (3,250 rpm) and peak power (5,450 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Ultra Limited measures 413 kg (911 lbs) wet (curb), translating to a power-to-weight ratio of 0.22 HP/kg (4.59 kg per horsepower). Rider ergonomics and chassis geometry center around a 740 mm (29.1 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,625 mm (64 in) wheelbase engineered for planted straight-line stability. The 22.71-liter (6 US gal) fuel tank paired with a rated consumption of 6.1 L/100 km provides an estimated theoretical range of roughly 372 km (231 miles) between fill-ups.
Within MotoLibrary's Harley-Davidson archive, this model family spans 10 indexed model years from 2014 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
51.6 HP/L
Power-to-Weight
0.22 HP/kg (4.59 kg/HP)
Power Band Window
3,250–5,450 rpm
Theoretical Range
~372 km (231 mi)
Engine
Displacement1745.0 ccm (106.48 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsTwin-Cooled™ Milwaukee-Eight™ 107
Power90.0 HP (65.7 kW)) @ 5450 RPM
Torque153.0 Nm (15.6 kgf-m or 112.9 ft.lbs) @ 3250 RPM
Compression10.0:1
Bore x Stroke100.0 x 111.1 mm (3.9 x 4.4 inches)
Fuel SystemInjection. Electronic Sequential Port Fuel Injection (ESPFI)
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
LubricationDry sump
CoolingOil & air
Transmission
Gearbox6-speed
Final DriveBelt (final drive)
ClutchMulti-plate with diaphragm spring in oil bath
DrivelineChain, 34/46 ratio primary drive
Performance
Fuel Consumption6.10 litres/100 km (16.4 km/l or 38.56 mpg)
Greenhouse Gases141.5 CO2 g/km. (CO2 - Carbon dioxide emission)
ExhaustChrome, 2-1-2 dual exhaust with tapered mufflers
Chassis
Rake26.0°
Trail170 mm (6.7 inches)
Front SuspensionTelescopic fork
Rear SuspensionTwin shocks
Wheelbase1625 mm (64.0 inches)
Ground Clearance135 mm (5.3 inches)
Wheels & Brakes
Front Tyre130/80-B17
Rear Tyre180/65-B16
Front BrakesDouble disc. ABS. 4-piston
Rear BrakesSingle disc. ABS. 4-piston
WheelsContrast Chrome Impeller Cast Aluminum
Dimensions & Weight
Dry Weight398.0 kg (877.4 pounds)
Weight incl.413.0 kg (910.5 pounds)
Power/Weight0.2261 HP/kg
Seat Height740 mm (29.1 inches) If adjustable, lowest setting.
Overall Length2600 mm (102.4 inches)
Fuel Capacity22.71 litres (6.00 US gallons)
Oil Capacity4.70 litres (4.97 US quarts)
Other
StarterElectric
Color OptionsVivid Black, Twisted Cherry, Silver Fortune/Black Tempest, Silver Fortune/Sumatra Brown, Olive Gold/Black Tempest, Wicked Red/Twisted Cherry, Legend Blue/Vivid Black
InstrumentsLarge speedometer and tachometer with wide numbers; large fuel and volt gauges with wide numbers; display features odometer, trip A, trip B, range to empty, and gear indicator; and larger telltale indicators
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
