Harley-Davidson Road King Classic (2018–2019) vs KTM V-twin RC8 Adventure (2014–2017)

Factory maintenance schedules compared.

Service Harley-Davidson Road King Classic (2018–2019)1FRC KTM V-twin RC8 Adventure (2014–2017)
Oil change n/a 6,210 mi
Valve service n/a n/a
Spark plugs n/a n/a
Chain n/a n/a
Brake fluid n/a 12 mo
Coolant n/a 48 mo

Common questions

Which is cheaper to maintain, the Harley-Davidson Road King Classic (2018–2019) or the KTM V-twin RC8 Adventure (2014–2017)?

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