Harley-Davidson Tri Glide Ultra (2017–2018) vs Kawasaki Ninja ZX-14 (2006–2011)

Factory maintenance schedules compared.

Service Harley-Davidson Tri Glide Ultra (2017–2018)1MAD Kawasaki Ninja ZX-14 (2006–2011)ZXNC
Oil change n/a 7,500 mi
Valve service n/a n/a
Spark plugs n/a 7,500 mi
Chain n/a n/a
Brake fluid n/a n/a
Coolant n/a n/a

Common questions

Which is cheaper to maintain, the Harley-Davidson Tri Glide Ultra (2017–2018) or the Kawasaki Ninja ZX-14 (2006–2011)?

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