Harley-Davidson Fat Bob (2009–2010) vs KTM 990 Duke (2024–2027)

Factory maintenance schedules compared.

Service Harley-Davidson Fat Bob (2009–2010) KTM 990 Duke (2024–2027)
Oil change n/a 9,321 mi
Valve service n/a n/a
Spark plugs n/a n/a
Chain n/a n/a
Brake fluid 12 mo n/a
Coolant n/a 48 mo

Common questions

Which is cheaper to maintain, the Harley-Davidson Fat Bob (2009–2010) or the KTM 990 Duke (2024–2027)?

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