Harley-Davidson 1200 Custom (2018–2020) vs KTM 790 Duke (2019)

Factory maintenance schedules compared.

Service	Harley-Davidson 1200 Custom (2018–2020)1CT3	KTM 790 Duke (2019)
Oil change	n/a	n/a
Valve service	n/a	18,600 mi
Spark plugs	n/a	18,600 mi
Chain	n/a	n/a
Brake fluid	n/a	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Harley-Davidson 1200 Custom (2018–2020) or the KTM 790 Duke (2019)?

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