Triumph Bonneville (2026–2027) vs Yamaha Morphous (2006–2008)

Factory maintenance schedules compared.

Triumph Bonneville (2026–2027) needs fewer scheduled shop visits per 10,000 miles.

Service	Triumph Bonneville (2026–2027)DB0G	Yamaha Morphous (2006–2008)SG18
Oil change	10,000 mi	3,125 mi
Valve service	20,000 mi	26,600 mi
Spark plugs	20,000 mi	n/a
Chain	n/a	n/a
Brake fluid	n/a	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Triumph Bonneville (2026–2027) or the Yamaha Morphous (2006–2008)?

Triumph Bonneville (2026–2027) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.