Honda NM4 (2015–2021) vs Triumph Speed Twin (2025–2027)

Factory maintenance schedules compared.

Honda NM4 (2015–2021) needs fewer scheduled shop visits per 10,000 miles.

Service	Honda NM4 (2015–2021)RC81	Triumph Speed Twin (2025–2027)DD0H
Oil change	n/a	10,000 mi
Valve service	16,000 mi	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

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Honda NM4 (2015–2021) or the Triumph Speed Twin (2025–2027)?

Honda NM4 (2015–2021) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.