Manufacturer

Harley-Davidson

Model Year

2025

Model

Nightster®

Model Code

RH975

Color

Snake Venom

Brakes

Front Caliper - Axially mounted, 4-piston caliper

Rear Caliper - Floating, single piston caliper

Front Rotor - Single rotor, floating, hub - mounted

Rear Rotor - Solid uniform expansion rotor

Front Diameter - 12.6 in. (320 mm)

Rear Diameter - 10.2 in. (260 mm)

Front Thickness - 0.23 in. (5.8 mm)

Rear Thickness - 0.2 in. (5 mm)

Anti-Lock Braking System (ABS)

Front Caliper - Axially mounted, 4-piston caliper

Rear Caliper - Floating, single piston caliper

Front Rotor - Single rotor, floating, hub - mounted

Rear Rotor - Solid uniform expansion rotor

Front Diameter - 12.6 in. (320 mm)

Rear Diameter - 10.2 in. (260 mm)

Front Thickness - 0.23 in. (5.8 mm)

Rear Thickness - 0.2 in. (5 mm)

Anti-Lock Braking System (ABS)

Wheels

Front / Rear - Aluminum cast, satin black³

Front Diameter - 19 in. (483 mm)

Rear Diameter - 16 in. (406 mm)

Front Width - 2.5 in. (64 mm)

Rear Width - 4.25 in. (108 mm)

Front / Rear - Aluminum cast, satin black³

Front Diameter - 19 in. (483 mm)

Rear Diameter - 16 in. (406 mm)

Front Width - 2.5 in. (64 mm)

Rear Width - 4.25 in. (108 mm)

Tires

Type - Dunlop® Harley-Davidson Series Bias Blackwall

Front - 100 / 90-19 57H

Rear - 150 / 80B16 77H

Front Model - D401F

Rear Model - D401T

Type - Dunlop® Harley-Davidson Series Bias Blackwall

Front - 100 / 90-19 57H

Rear - 150 / 80B16 77H

Front Model - D401F

Rear Model - D401T

Length

88.6 in. (2,250 mm)

Height

Overall - 43.5 in. (1,105 mm)

Width

33 in. (840 mm)

Weight

As Shipped - 465 lb. (211 kg)

In Running Order - 481 lb. (218.2 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)

As Shipped - 465 lb. (211 kg)

In Running Order - 481 lb. (218.2 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)

Ground Clearance

4.3 in. (110 mm)

Right / Left Lean Angle - 32°

Lean Angle Testing Method - J1168

4.3 in. (110 mm)

Right / Left Lean Angle - 32°

Lean Angle Testing Method - J1168

Wheelbase

60.8 in. (1,545 mm)

Seat Height

Laden - 27.1 in. (688 mm)⁸

Unladen - 27.8 in. (705 mm)

Laden - 27.1 in. (688 mm)⁸

Unladen - 27.8 in. (705 mm)

Transmission

6-speed

Primary Drive

Gear, 49/89 ratio

Final Drive

Belt, 34/80 ratio

Battery

Sealed, maintenance-free, absorbed glass mat (AGM), 12V, 12Ah, 225 CCA at 0°F

Charging - Three-phase, 45A system (300W @13V, 1,200 rpm, 585W max power @ 13V, 2,250 rpm)

Sealed, maintenance-free, absorbed glass mat (AGM), 12V, 12Ah, 225 CCA at 0°F

Charging - Three-phase, 45A system (300W @13V, 1,200 rpm, 585W max power @ 13V, 2,250 rpm)

Instrumentation

Gauges - 4 in. 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

Lighting

(As per country regulation)²

Headlamp - All LED headlamp, low and high beam with signature position lighting

Tail / Stop - All LED rear lighting

Front Signal Lights - LED Bullet Turn Signals

(As per country regulation)²

Headlamp - All LED headlamp, low and high beam with signature position lighting

Tail / Stop - All LED rear lighting

Front Signal Lights - LED Bullet Turn Signals

Advanced Electronics

Screen Size - 4 in. Analog Instrument with Segmented LCD (102 mm)

Type - Analog display

Languages - English (default)

Vehicle Information Screen (Air temperature, oil pressure and EITMS) - 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

Screen Size - 4 in. Analog Instrument with Segmented LCD (102 mm)

Type - Analog display

Languages - English (default)

Vehicle Information Screen (Air temperature, oil pressure and EITMS) - 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

Engine

Revolution® Max 975T⁷

Valves - Chain-driven, DOHC, hydraulic self-adjusting lifters, intake VVT, four valves per cylinder

Air Cleaner - Downdraft intake, tuned velocity stacks, washable filter media

Revolution® Max 975T⁷

Valves - Chain-driven, DOHC, hydraulic self-adjusting lifters, intake VVT, four valves per cylinder

Air Cleaner - Downdraft intake, tuned velocity stacks, washable filter media

Cooling

Coolant Capacity - 2.22 qt. (2.1 l)

Horsepower

91 hp (68 kW) @ 7,500 rpm

Displacement

975 cc (59.5 ci)

Bore x Stroke

3.82 x 2.6 in. (97 x 66 mm)

Torque

72 ft. lb. (97 Nm)⁵ @ 5,750 rpm

Testing Method - J1349

Rider Safety Enhancements - Drag-torque Slip Control System (DSCS)

72 ft. lb. (97 Nm)⁵ @ 5,750 rpm

Testing Method - J1349

Rider Safety Enhancements - Drag-torque Slip Control System (DSCS)

Compression Ratio

12:1

Gear Ratio

Overall

1st - 12.21

2nd - 9.022

3rd - 6.994

4th - 5.641

5th - 4.731

6th - 4.131

Overall

1st - 12.21

2nd - 9.022

3rd - 6.994

4th - 5.641

5th - 4.731

6th - 4.131

Clutch

Mechanical, 8 plate wet, assist and slip, 1090N

Fuel System

Electronic Sequential Port Fuel Injection (ESPFI)⁶

Exhaust

2-into-1, catalyst in header

Starting

0.9 kW electric with direct drive starter motor engagement

Lubrication

System - Semi-Dry Sump

Fuel Capacity

3.1 gal. (11.7 l)

Reserve, Fuel Injection (warning light) - 0.8 gal. (3 l)

3.1 gal. (11.7 l)

Reserve, Fuel Injection (warning light) - 0.8 gal. (3 l)

Oil Capacity

With filter - 4.75 qt. (4.5 l)

MPG Rating

Estimated City / Hwy - 52 mpg (4.5 l/100 km)

Frame

Stressed-member, high strength low alloy steel trellis, stamped, cast, and forged junctions, MIG welded, aluminum forged mid-structure

Swingarm - Mild steel, rectangular tube section, stamped x-member, MIG welded

Stressed-member, high strength low alloy steel trellis, stamped, cast, and forged junctions, MIG welded, aluminum forged mid-structure

Swingarm - Mild steel, rectangular tube section, stamped x-member, MIG welded

Front Suspension

Travel - 4.5 in. (114 mm)

Rear Suspension

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

Travel - 3 in. (76.2 mm)

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

Travel - 3 in. (76.2 mm)

Rake

30°

Trail

5.4 in. (137 mm)

Fork

Front - 41 mm SHOWA® Dual Bending Valve conventional forks. Aluminum fork triple clamps

Angle - 28°

Front - 41 mm SHOWA® Dual Bending Valve conventional forks. Aluminum fork triple clamps

Angle - 28°

Additional Colors

Vivid Black

Billiard Gray

Whiskey Fire

Snake Venom

Vivid Black

Billiard Gray

Whiskey Fire

Snake Venom

Includes

Security System

Warranty

24 months (unlimited mileage)

Service Interval - First 1,000 mi. (1,600 km), every 5,000 mi. (8,000 km) thereafter

24 months (unlimited mileage)

Service Interval - First 1,000 mi. (1,600 km), every 5,000 mi. (8,000 km) thereafter

Compare Models

2025 Harley-Davidson Nightster®

2025 Harley-Davidson Nightster®

General Information

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