Specs compared

Triumph TF 250-X 2026
vs Yamaha YZ450F 2027

SpecTriumph TF 250-X 2026Yamaha YZ450F 2027
Years20262027
Engine250cc 4T450cc 4T
Stock gearing13T / 48TManufacturer spec sheet (research)13T / 51TOwner's manual p. 2-4
Final drive ratio3.69 : 1Calculated from the stock sprockets3.923 : 1Owner's manual p. 2-4
Fork travel310 mm (12.2 in)Manufacturer spec sheet (research)310 mm (12.2 in)Owner's manual p. 2-6
Seat height960 mm (37.8 in)Manufacturer spec sheet (research)965 mm (38.0 in)Owner's manual p. 2-1
Weight104 kg (229 lb)Manufacturer spec sheet (research)109 kg (240 lb)Owner's manual p. 2-1

Each value shows where it came from. The bike pages list the document, page and date checked.