Specs compared

Yamaha YZ125 2016
vs Yamaha YZ450F 2025

SpecYamaha YZ125 2016Yamaha YZ450F 2025
Years20162025
Engine125cc 2T450cc 4T
Stock gearing13T / 48TOwner's manual p. 2-2 Not yet verified
Final drive ratio3.69 : 1Calculated from the stock sprockets Not yet verified
Fork travel300 mm (11.8 in)Owner's manual p. 2-2310 mm (12.2 in)Manufacturer spec sheet (research)
Seat height975 mm (38.4 in)Owner's manual p. 2-1965 mm (38.0 in)Manufacturer spec sheet (research)
Weight94 kg (207 lb)Owner's manual p. 2-1108.9 kg (240 lb)Manufacturer spec sheet (research)

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