The 2023 Nightster® evolves the Sportster® legacy into a nimble handling and confidence inspiring ride.
| Length: | 89.4 in |
| Seat height, laden: | 27.1 in |
| Seat height, unladen: | 27.8 in |
| Rake (steering head): | 30 |
| Trail: | 5.4 in |
| Wheelbase: | 61.3 in |
| Tires, front specifications: | 100/90-19 57H |
| Tires, rear specifications: | 150/80B16 77H |
| Fuel Capacity: | 3.1 gal |
| Oil capacity: | 4.75 qt. |
| Weight, as shipped: | 463 lbs |
| Weight, in running order: | 481 lb |
| Tire, type: | Dunlop Harley-Davidson Series Bias Blackwall |
| Engine: | Revolution® Max 975T |
| Bore: | 3.8 in |
| Stroke: | 2.6 in |
| Displacement: | 59.50 in3 |
| Compression ratio: | 12:01 |
| Fuel system: | Electronic Sequential Port Fuel Injection (ESPFI) |
| Exhaust: | 2-into-1; catalyst in header |
| Engine torque testing method: | J1349 |
| Engine torque: | 70.1 ft-lb |
| Engine torque (RPM): | 5000 |
| Horsepower: | 89 HP / 66 kW @ 7500 rpm |
| Lean angle, right (deg.): | 32 |
| Lean angle, left (deg.): | 32 |
| Fuel economy testing method: | Estimated City/Hwy |
| Fuel economy: | 0.00 mpg |
| CO2 emissions testing method: | EU 134/2014 |
| CO2 emissions : | 126 g/km CO2 |
| Primary drive: | Gear, 49/89 ratio |
| Gear ratios (overall) 1st: | 12.21 |
| Gear ratios (overall) 2nd: | 9.022 |
| Gear ratios (overall) 3rd: | 6.994 |
| Gear ratios (overall) 4th: | 5.641 |
| Gear ratios (overall) 5th: | 4.731 |
| Gear Ratios (overall) 6th: | 4.131 |
| 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, front type: | Aluminum cast, satin black |
| Wheels, rear type: | Aluminum cast, satin black |
| Brakes, type: | Front: single rotor, floating, hub - mounted; Rear: solid uniform expansion rotor |
| Brakes, caliper type: | Front: axially mounted, 4-piston caliper; Rear: floating, single piston caliper |
| Type: | Analog display |
| Languages: | English (default) |
| Vehicle information screen: | Total Odometer (Selectable Miles or km), Trip A/B, Gear Position Indication, Fuel Range, 12/24 Hr Clock, Digital Tachometer, Segmented Feul Level, Ride Mode Indication |
