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Kawasaki KX450F 2018 vs Yamaha YZ250FX 2025

The two head to head. For the full baseline setups (sag, clickers, tire pressure) open each bike's setup page.

Technical dataKawasaki KX450F 2018Yamaha YZ250FX 2025
Displacement449 cc250 cc
Fuel capacity7.2 L8 L
Seat height965 mm955 mm
Wheelbase1481 mm1471 mm
Front travel315 mm300 mm
Rear travel315 mm305 mm
Ground clearance340 mm330 mm
Front tire90/100-2180/100-21
Rear tire120/80-19110/100-18
Kawasaki KX450F 2018: view setupYamaha YZ250FX 2025: view setup

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Technical data per manufacturer/catalogue, deviations possible. A starting point to verify on the bike - not a safety guarantee. Change one thing at a time and check on track.