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Harley-Davidson Road King Special - 2021 Specifications and Reviews

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General information

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CategoryTouring
Year2021
ModelHarley-Davidson Road King Special
 
 

Engine and Transmission Specifications

Greenhouse gases121.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption5.23 litres/100 km (19.1 km/l or 44.98 mpg)
DrivelineChain, 34/46 ratio primary drive
ClutchMulti-plate with diaphragm spring in oil bath
Transmission typeBelt   (final drive)
Gearbox6-speed
Cooling systemAir
Lubrication systemDry sump
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Electronic Sequential Port Fuel Injection
Bore x Stroke102.0 x 114.3 mm (4.0 x 4.5 inches)
Compression10.5:1
Torque160.0 Nm (16.3 kgf-m or 118.0 ft.lbs) @ 3250 Revolutions">RPM
Power100.0 Horsepower">HP (73.0 Kilowatt">kW)) @ 5000 Revolutions">RPM
Engine detailsMilwaukee-Eight 114
Engine typeV2, four-stroke
Capacity:1868.0 ccm (113.99 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. ABS. 4-piston
Front brakesDouble disc. ABS. 4-piston
Rear tire180/55-B18
Front tire130/60-B19
Rear SuspensionTwin shocks
Front SuspensionTelescopic fork
Trail175 mm (6.9 inches)
Rake (fork angle)26.0°

Physical measures and capacities

Oil capacity4.90 litres (5.18 US quarts)
Fuel capacity22.71 litres (6.00 US gallons)
Wheelbase1625 mm (64.0 inches)
Ground clearance124 mm (4.9 inches)
Overall length2420 mm (95.3 inches)
Seat height671 mm (26.4 inches) If adjustable, lowest setting.
Power/weight ratio0.2848 HP/kg
Weight incl. oil, gas, etc366.1 kg (807.0 pounds)
Dry weight351.1 kg (774.0 pounds)

Other specs

CommentsCruise control. Security system.
Carrying capacitySaddle bags
LightHigh beam, running lights, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, battery, security system, low fuel warning, cruise control, ABS, Gear/RPM display, miles to empty display
InstrumentsDisplay features odometer, trip A, trip B, range to empty and gear indicator; and larger tell-tale indicators.
StarterElectric
Color optionsVivid Black, Deadwood Green, Snake Venom Green, Black Jack Metallic

Maintenance and service data

Fork tube size49 mm (1.9 inches)
Tire pressure rear41 PSI (2.8 Bar or 280 kPa)
Tire pressure front36 PSI (2.5 Bar or 250 kPa)
Belt teeth140
Sprockets32/68 (front/rear)
Idle speed850 RPM
Spark plugsNGK CR9E, NGK CR9EIX
BatteryYIX30L

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Harley-Davidson Road King Special is a powerful and stylish motorcycle that delivers an exceptional riding experience. With its Milwaukee-Eight 114 engine and sleek design, this bike is perfect for those who crave power and performance. The Road King Special also features a bold and aggressive look, with blacked-out finishes and a stretched saddlebags, making it a standout on the road. In addition to its impressive performance, the 2021 Harley-Davidson Road King Special offers a comfortable and smooth ride, thanks to its responsive suspension and ergonomic design. Whether you're cruising on the open highway or navigating through city streets, this motorcycle handles with ease and precision. Overall, the Road King Special is a top-tier motorcycle that offers a perfect blend of power, style, and comfort for riders who demand the best.
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