Harley-Davidson 1200 Custom (2018–2020) vs Triumph SpeedMaster (2003–2017)

Factory maintenance schedules compared.

Service Harley-Davidson 1200 Custom (2018–2020)1CT3 Triumph SpeedMaster (2003–2017)
Oil change n/a 6,000 mi
Valve service n/a 12,000 mi
Spark plugs n/a n/a
Chain n/a 200 mi
Brake fluid n/a 24 mo
Coolant n/a n/a

Common questions

Which is cheaper to maintain, the Harley-Davidson 1200 Custom (2018–2020) or the Triumph SpeedMaster (2003–2017)?

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