Harley-Davidson Road Glide Ultra (2017–2021) vs KTM 990 Duke (2024–2027)
Factory maintenance schedules compared.
KTM 990 Duke (2024–2027) needs fewer scheduled shop visits per 10,000 miles.
| Service | Harley-Davidson Road Glide Ultra (2017–2021)1KGD | 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 | 5,000 mi | n/a |
| Brake fluid | n/a | n/a |
| Coolant | n/a | 48 mo |
Common questions
Which is cheaper to maintain, the Harley-Davidson Road Glide Ultra (2017–2021) or the KTM 990 Duke (2024–2027)?
KTM 990 Duke (2024–2027) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.