Harley-Davidson Road King Classic (2007–2010) vs Suzuki Gladius 650 (1999–2017)

Factory maintenance schedules compared.

Service Harley-Davidson Road King Classic (2007–2010) Suzuki Gladius 650 (1999–2017)VP55
Oil change n/a 3,500 mi
Valve service n/a 15,000 mi
Spark plugs n/a 7,000 mi
Chain n/a 3,500 mi
Brake fluid n/a 24 mo
Coolant n/a n/a

Common questions

Which is cheaper to maintain, the Harley-Davidson Road King Classic (2007–2010) or the Suzuki Gladius 650 (1999–2017)?

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