Yamaha YZ250 vs Yamaha YZ450F ergonomics

Rider fit: reaching the ground

The Yamaha YZ250 has a 993 mm seat; the Yamaha YZ450F sits at 998 mm — a 5 mm difference. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 99 cm for the Yamaha YZ250 and 100 cm for the Yamaha YZ450F.

That makes the Yamaha YZ250 the easier reach to the ground — the safer pick for shorter riders or anyone who wants both feet planted at a stop — while the Yamaha YZ450F gives taller riders more legroom and a more open knee bend. Load your own height and inseam into the simulator to see exactly how each one fits you.