| Service | Honda CB650R (2025–2026)RH16 | KTM 390 Duke (2017–2022) |
|---|---|---|
| Oil change | 8,000 mi | 4,650 mi |
| Valve service | n/a | n/a |
| Spark plugs | 32,000 mi | n/a |
| Chain | 600 mi | n/a |
| Brake fluid | n/a | n/a |
| Coolant | n/a | 48 mo |
Common questions
Which is cheaper to maintain, the Honda CB650R (2025–2026) or the KTM 390 Duke (2017–2022)?
KTM 390 Duke (2017–2022) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.