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Kawasaki KX450F 2018 vs Yamaha YZ250F 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 YZ250F 2025
Displacement449 cc250 cc
Fuel capacity7.2 L6.1 L
Dry weight-101.6 kg
Seat height965 mm970 mm
Wheelbase1481 mm1476 mm
Front travel315 mm310 mm
Rear travel315 mm312 mm
Ground clearance340 mm351 mm
Front tire90/100-2180/100-21
Rear tire120/80-19110/90-19
Kawasaki KX450F 2018: view setupYamaha YZ250F 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.