KTM 790/890 Adv R, Rally (2021–2027) vs Suzuki Boulevard M109R B.O.S.S. (2014–2023)

Factory maintenance schedules compared.

Suzuki Boulevard M109R B.O.S.S. (2014–2023) needs fewer scheduled shop visits per 10,000 miles.

Service	KTM 790/890 Adv R, Rally (2021–2027)	Suzuki Boulevard M109R B.O.S.S. (2014–2023)VY53
Oil change	9,300 mi	n/a
Valve service	18,600 mi	14,500 mi
Spark plugs	18,600 mi	n/a
Chain	9,300 mi	n/a
Brake fluid	12 mo	n/a
Coolant	48 mo	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the KTM 790/890 Adv R, Rally (2021–2027) or the Suzuki Boulevard M109R B.O.S.S. (2014–2023)?

Suzuki Boulevard M109R B.O.S.S. (2014–2023) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.