Harley-Davidson Road King Custom (2004–2006) vs KTM Duke (2023–2027)

Factory maintenance schedules compared.

Harley-Davidson Road King Custom (2004–2006) needs fewer scheduled shop visits per 10,000 miles.

Service Harley-Davidson Road King Custom (2004–2006) KTM Duke (2023–2027)
Oil change 5,000 mi 6,200 mi
Valve service n/a 12,400 mi
Spark plugs 20,000 mi 12,400 mi
Chain n/a 6,200 mi
Brake fluid n/a 24 mo
Coolant n/a n/a

Common questions

Which is cheaper to maintain, the Harley-Davidson Road King Custom (2004–2006) or the KTM Duke (2023–2027)?

Harley-Davidson Road King Custom (2004–2006) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.