Harley-Davidson Deluxe (2018–2019) vs KTM Duke (2023–2027)

Factory maintenance schedules compared.

Service Harley-Davidson Deluxe (2018–2019)1YCJ KTM Duke (2023–2027)
Oil change n/a 6,200 mi
Valve service n/a 12,400 mi
Spark plugs n/a 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 Deluxe (2018–2019) or the KTM Duke (2023–2027)?

They demand a similar number of scheduled shop visits based on their factory service intervals.