Harley-Davidson Road King Classic (2011–2017) vs KTM 990 Duke (2024–2027)
Factory maintenance schedules compared.
| Service | Harley-Davidson Road King Classic (2011–2017) | KTM 990 Duke (2024–2027) |
|---|---|---|
| Oil change | n/a | 9,321 mi |
| Valve service | n/a | n/a |
| Spark plugs | n/a | n/a |
| Chain | n/a | n/a |
| Brake fluid | n/a | n/a |
| Coolant | n/a | 48 mo |
Common questions
Which is cheaper to maintain, the Harley-Davidson Road King Classic (2011–2017) or the KTM 990 Duke (2024–2027)?
They demand a similar number of scheduled shop visits based on their factory service intervals.