Model Year 2023 | Sport | Nightster™

In Brief

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Designed to inspire both new and experienced riders, the 2023 Nightster® evolves the Sportster® legacy into a nimble handling and confidence inspiring ride.

Specifications

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Dimensions RH975 Nightster™ Notes
Length       89.4 in. (2,270 mm)  
Overall Width       33.1 in. (841 mm)  
Overall Height       43.6 in. (1,108 mm)  
Seat Height, Laden     27.1 in. (688 mm) 2
Seat Height, Unladen       27.8 in. (705 mm)  
Static Ground Clearance       4.5 in. (114 mm)  
Rake (steering head) (deg)   30  
Fork Angle (deg)   28  
Trail     5.4 in. (137 mm)  
Wheelbase       61.3 in. (1,556 mm)  
Tires, Type Dunlop® Harley-Davidson Series Bias Blackwall  
Tires, Front Model D401F  
Tires, Front Specification 100/90-19 57H  
Tires, Rear Model D401T  
Tires, Rear Specification 150/80B16 77H  
Fuel Capacity  3.1 gal. (11.7 l)  
Reserve Fuel Capacity, Fuel Injection (warning light) 0.8 gal. (3 l)  
Oil Capacity (w/filter) 4.75 qt. (4.5 l)  
Transmission Capacity  N/A  
Primary Chain Case Capacity  N/A  
Coolant Capacity  2.22 qt. (2.1 l)  
Weight, As Shipped 462 lb. (210 kg)  
Weight, In Running Order 481 lb. (218 kg)  
Gross Vehicle Weight Rating 922 lb. (418 kg)  
Gross Axle Weight Rating, Front 353 lb. (160 kg)  
Gross Axle Weight Rating, Rear 595 lb. (270 kg)  
Luggage Capacity -Volume  N/A  

 

Engine RH975 Nightster™ Notes
Engine Revolution® Max 975T  
Valves Chain-driven, DOHC, hydraulic self-adjusting lifters, intake VVT; four valves per cylinder  
Bore 3.82 in. (97 mm)  
Stroke 2.6 in. (66 mm)  
Displacement 59.5 cu in (975 cc)  
Compression Ratio   12:01  
Fuel System Electronic Sequential Port Fuel Injection (ESPFI) 3
Air Cleaner Downdraft intake, tuned velocity stacks, washable filter media  
Exhaust 2-into-1; catalyst in header  
Lubrication System Semi-Dry Sump  

 

Drivetrain RH975 Nightster™ Notes
Primary Drive   Gear, 49/89 ratio  
Final Drive   Belt, 34/80 ratio  
Clutch Mechanical, 8 plate wet, assist & slip, 1090N  
Transmission 6-speed  
Gear Ratios     12.21  
Gear Ratios     9.022  
Gear Ratios     6.994  
Gear Ratios     5.641  
Gear Ratios     4.731  
Gear Ratios     4.131  

 

Chassis RH975 Nightster™ Notes
Frame Stressed-member, high strength low alloy steel trellis frame; stamped, cast, and forged junctions; MIG welded; aluminum forged mid-structure  
Swingarm Mild steel, rectangular tube section, stamped x-member; MIG welded  
Front Fork 41mm SHOWA® Dual Bending Valve conventional forks.  Aluminum fork triple clamps.  
Rear Shocks Rear suspension is dual outboard, direct-acting (no linkage) emulsion technology shock absorbers with coil springs and a threaded collar for pre-load adjustment.  
Wheels, Optional Style Type N/A 4
Wheels, Front Type Aluminum cast, satin black 4
Wheels, Front Width   2.5 in. (64 mm)  
Wheels, Front Height  19 in. (483 mm)  
Wheels, Rear Type Aluminum cast, satin black 4
Wheels, Rear Width   4.25 in. (108 mm)  
Wheels, Rear Height 16 in. (406 mm)  
Brakes, Caliper Type Front: axially mounted, 4-piston caliper; Rear: floating, single piston caliper  
Brakes, Rotor Type Front: single rotor, floating, hub - mounted; Rear: solid uniform expansion rotor  
Brakes, Front Diameter  12.6 in. (320 mm)  
Brakes, Front Thickness  0.23 in. (5.8 mm)  
Brakes, Front is dual No  
Brakes, Rear Diameter 10.2 in. (260 mm)  
Brakes, Rear Thickness  0.2 in. (5 mm)  
Brakes, Anti-Lock Braking System (ABS) Standard  
Suspension Travel, Front     4.5 in. (114 mm)  
Suspension Travel, Rear     3 in. (76.2 mm)  

 

Performance RH975 Nightster™ Notes
Engine Torque Testing Method   J1349  
Engine Torque   70 ft-lb (95 Nm) 5
Engine Torque   5,000  
Power   90 HP / 67 kW @ 7500 rpm  
Lean Angle Testing Method J1168  
Lean Angle, Right (deg.)   32  
Lean Angle, Left (deg.)   32  
Fuel Economy Testing Method Estimated City/Hwy  
Fuel Economy 52.4 mpg (4.5 l/100 km) 6
CO₂ Emissions Testing Method N/A  
CO₂ Emissions N/A  

 

Electric RH975 Nightster™ Notes
Battery Sealed, maintenance-free, absorbed glass mat (AGM) battery, 12V, 12Ah, 225 CCA at 0°F  
Charging Three-phase, 45 Amp system (300 Watts @13 Volts, 1200 rpm, 585 Watts max power @ 13 Volts, 2250 rpm)  
Starting 0.9 kW electric with direct drive starter motor engagement  
Lights (as per country regulation), Headlamp All LED headlamp, low and high beam with signature position lighting  
Lights (as per country regulation), Tail/Stop All LED rear lighting  
Lights (as per country regulation), Front Signal Lights LED Bullet Turn Signals  
Lights, Rear Turn Signals LED Bullet Turn Signals  
Gauges 4-inch viewable round gauge area analog display with, Speedometer, L/R turn Indication, Traction Control Indication, Coolant Temperature Alert, ABS alert, Fog Lamp Indication, Battery Voltage Alert, High Beam Indicator, Low Fuel Indication, Rear-ABS Disabled Indication, Failure-Indication Alert, Neutral Position Indication, Low Tire Pressure indication, Check Engine Light indication, Oil Pressure Alert, Service Indication.  
Auxiliary Lamps N/A  
Electric Power Outlet N/A  
GPS System N/A  
Reverse Gear N/A  

 

Warranty And Service RH975 Nightster™ Notes
Warranty 24 months (unlimited mileage) 7
Service Interval First 1,000 miles (1,600 km), every 5,000 miles (8,000 km) thereafter 8

 

Footnotes RH975 Nightster™  
1 Vehicles depicted may differ from vehicles manufactured and delivered. Specifications and prices listed may differ from specifications and prices of vehicles manufactured and delivered. All product descriptions (including depictions, specifications, dimensions, measurements, ratings and competitive comparisons) are based on available information at the time of publication. Although such descriptions are believed correct, errors and changes can occur and complete accuracy cannot be guaranteed. Harley-Davidson may make changes at any time to prices and specifications, and may change or discontinue models, without notice and without incurring any obligation. Attention: Vehicles in the configurations shown and many of the accessories described in this catalog may not be available for sale or use in some locations. Please check with your dealer for complete product details and the latest information. All models feature 6-speed transmission (VRSC™ models and Sportster® models are 5-speed) and carbon fiber belt final drive; multi-plate clutch with diaphragm spring in oil bath; and 2-year unlimited mileage warranty.  
2 Measurement reflects 180 lb. (81.7 kg) operator weight.  
3 Recommended 91 octane or higher fuel (R+M)/2.  
4 Standard and optional wheels may vary by country and region.  
5 Values shown are nominal. Performance may vary by country and region.  
6 The combined fuel economy numbers were derived using a combination of estimated city and highway values. Fuel economy estimates are derived from US EPA exhaust emission certification data on a sample motorcycle from the corresponding family under ideal laboratory conditions. Your actual fuel economy will vary depending on your personal riding habits, road and driving conditions, vehicle condition and maintenance, tire pressure, vehicle configuration (parts and accessories), and vehicle loading (cargo, rider and passenger weight). Break-in mileage may vary.  
7 See motorcycle owner’s manual for complete details.  
8 Inspections of certain systems and components are required at 2,500 mile (4,000 km) intervals. See Owner’s Manual for full details.  

 

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