Harley-Davidson Fat Bob (2016–2021) vs Triumph Bonneville (2018–2020)

Factory maintenance schedules compared.

Service	Harley-Davidson Fat Bob (2016–2021)1GYM	Triumph Bonneville (2018–2020)D40H
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

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Harley-Davidson Fat Bob (2016–2021) or the Triumph Bonneville (2018–2020)?

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