Kawasaki Voyager XII (1986–2003) vs Triumph Thunderbird (2018–2023)

Factory maintenance schedules compared.

Service Kawasaki Voyager XII (1986–2003)ZG9B Triumph Thunderbird (2018–2023)B03W
Oil change n/a 6,000 mi
Valve service n/a 12,000 mi
Spark plugs 3,000 mi 12,000 mi
Chain n/a n/a
Brake fluid n/a 24 mo
Coolant n/a 24 mo

Common questions

Which is cheaper to maintain, the Kawasaki Voyager XII (1986–2003) or the Triumph Thunderbird (2018–2023)?

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