Harley-Davidson Road King (2007–2011) vs Triumph Street Twin (2018–2024)

Factory maintenance schedules compared.

Triumph Street Twin (2018–2024) needs fewer scheduled shop visits per 10,000 miles.

Service	Harley-Davidson Road King (2007–2011)	Triumph Street Twin (2018–2024)D31G
Oil change	5,000 mi	10,000 mi
Valve service	n/a	20,000 mi
Spark plugs	n/a	n/a
Chain	n/a	n/a
Brake fluid	24 mo	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Harley-Davidson Road King (2007–2011) or the Triumph Street Twin (2018–2024)?

Triumph Street Twin (2018–2024) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.