2025 Yamaha YZ250FX TESTED 

They give you the weights of the bikes full of fuel unlike other brands, so they seem heavy but actually they're not very heavy.

@ compared to a 2 stroke it is. My 125 is 40 lbs less than that

@ Very true

Depends If you prefere 2 Stroke or 4 Stroke but a 300 is Mode compareble to a 450