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Harley-Davidson Nightster

Maintenance specs for 1 variant of the Harley-Davidson Nightster — from 2022 to 2026.

20222026 Harley-Davidson Nightster

Revolution Max 975 (975cc) Liquid-Cooled DOHC V-Twin (Revolution Max 975) · Belt

90 hp / 70 lb-ft

Engine Oil

Weight20W-50
Capacity4.75 qt

Transmission

Type6-Speed

Coolant

TypeHarley-Davidson Extended Life Coolant (50/50 premix)
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Fuel

Tank3.1 gal
TypePremium 91

Tires

Front100/90-19
Rear150/80B16
Pressure (front)36 PSI
Pressure (rear)40 PSI

Battery

Group sizeYTX14-BS
Shop group YTX14-BS battery

Service Intervals

Oil change5,000 mi
Coolant flush30,000 mi
Brake fluid24,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter15,000 mi
Drive belt50,000 mi