motocross / default rider 183 cm
Yamaha YZ125 vs Yamaha YZ450F ergonomics
Yamaha YZ125 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
Yamaha YZ125
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.
Geometry snapshot
| Spec | Yamaha YZ125 | Yamaha YZ450F |
|---|---|---|
| Seat height | 998 mm | 998 mm |
| Wheelbase | 1,443 mm | 1,491 mm |
| Wet weight | - | - |
| Displacement | 124 cc | 449 cc |
Posture metrics
Knee angle
- Yamaha YZ125
- Sport (58.0 deg)
- Yamaha YZ450F
- Sport (58.1 deg)
Hip angle
- Yamaha YZ125
- Neutral (94.2 deg)
- Yamaha YZ450F
- Neutral (93.2 deg)
Elbow angle
- Yamaha YZ125
- Relaxed (143.3 deg)
- Yamaha YZ450F
- Relaxed (143.3 deg)
Torso lean
- Yamaha YZ125
- Neutral (11.9 deg)
- Yamaha YZ450F
- Neutral (12.6 deg)