Harley-Davidson Forty-Eight Special (2018–2020) vs Triumph Speed Twin (2025–2027)
Factory maintenance schedules compared.
| Service | Harley-Davidson Forty-Eight Special (2018–2020)1LR3 | Triumph Speed Twin (2025–2027)DD0H |
|---|---|---|
| Oil change | n/a | 10,000 mi |
| Valve service | n/a | 20,000 mi |
| Spark plugs | n/a | 20,000 mi |
| Chain | n/a | n/a |
| Brake fluid | n/a | n/a |
| Coolant | n/a | n/a |
Common questions
Which is cheaper to maintain, the Harley-Davidson Forty-Eight Special (2018–2020) or the Triumph Speed Twin (2025–2027)?
They demand a similar number of scheduled shop visits based on their factory service intervals.