Honda Grom (2014–2017) vs Honda NM4 (2015–2021)

Factory maintenance schedules compared.

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

Service	Honda Grom (2014–2017)JC61	Honda NM4 (2015–2021)RC81
Oil change	2,500 mi	n/a
Valve service	2,500 mi	16,000 mi
Spark plugs	n/a	n/a
Chain	300 mi	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 Grom (2014–2017) or the Honda NM4 (2015–2021)?

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