‹ Home › Inventory › 2025 Nightster™ (RH975)

With classic Sportster^® form and modern function, the nimble Nightster has a low center of gravity, rider-focused tech, and a high-revving, liquid-cooled Revolution^® Max 975T V-twin engine.

Specifications

Dimensions

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- Length:
  
  88.6 in
- Seat height, unladen:
  
  27.8 in
- Rake (steering head):
  
  30
- Trail:
  
  5.4 in
- Wheelbase:
  
  60.8 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:
  
  465 lbs
- Weight, in running order:
  
  487 lb
- Tire, type:
  
  Dunlop® Harley-Davidson Series Bias Blackwall
Engine

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- 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
Performance

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- Engine torque testing method:
  
  J1349
- Engine torque:
  
  71.5 ft-lb
- Engine torque (RPM):
  
  5750
- Horsepower:
  
  91 HP / 68 kW @ 7500 rpm
- Lean angle, right (deg.):
  
  32
- Lean angle, left (deg.):
  
  32
- Fuel economy testing method:
  
  Estimated City/Hwy
- Fuel economy:
  
  52 mpg (4.5 l/100 km)
Powertrain

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- 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
Chassis

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- 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
Infotainment

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- Screen size:
  
  4" Analog Instrument with Segmented LCD
- 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 Fuel Level, Ride Mode Indication