motocross / default rider 183 cm
Kawasaki KX450F vs Yamaha YZ450F ergonomics
Kawasaki KX450F and Yamaha YZ450F land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Kawasaki KX450F
95Comfortable
All contacts reached
Yamaha YZ450F
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Rider fit: reaching the ground
The Kawasaki KX450F has a 965 mm seat; the Yamaha YZ450F sits at 965 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 97 cm for the Kawasaki KX450F and 97 cm for the Yamaha YZ450F.
Geometry snapshot
| Spec | Kawasaki KX450F | Yamaha YZ450F |
|---|---|---|
| Seat height | 965 mm | 965 mm |
| Wheelbase | 1,486 mm | 1,475 mm |
| Wet weight | - | 110 kg |
| Displacement | 449 cc | 450 cc |
Posture metrics
Knee angle
- Kawasaki KX450F
- Sport (58.1 deg)
- Yamaha YZ450F
- Sport (58.1 deg)
Hip angle
- Kawasaki KX450F
- Neutral (93.2 deg)
- Yamaha YZ450F
- Neutral (93.5 deg)
Elbow angle
- Kawasaki KX450F
- Relaxed (143.3 deg)
- Yamaha YZ450F
- Relaxed (143.3 deg)
Torso lean
- Kawasaki KX450F
- Neutral (12.5 deg)
- Yamaha YZ450F
- Neutral (12.4 deg)