Harley-Davidson Sportster 1200 Roadster (2007–2008) vs Triumph Rocket 3 Storm (2025)

Factory maintenance schedules compared.

Service Harley-Davidson Sportster 1200 Roadster (2007–2008) Triumph Rocket 3 Storm (2025)Y1BJ
Oil change 5,000 mi 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 Sportster 1200 Roadster (2007–2008) or the Triumph Rocket 3 Storm (2025)?

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