supermoto / default rider 183 cm
Aprilia MX 125 Supermoto vs Yamaha DT 125 X ergonomics
Aprilia MX 125 Supermoto and Yamaha DT 125 X land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Aprilia MX 125 Supermoto
95Comfortable
All contacts reached
Yamaha DT 125 X
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 Aprilia MX 125 Supermoto has a 890 mm seat; the Yamaha DT 125 X sits at 886 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 89 cm for the Aprilia MX 125 Supermoto and 89 cm for the Yamaha DT 125 X.
Geometry snapshot
| Spec | Aprilia MX 125 Supermoto | Yamaha DT 125 X |
|---|---|---|
| Seat height | 890 mm | 886 mm |
| Wheelbase | 1,500 mm | 1,396 mm |
| Wet weight | - | 132 kg |
| Displacement | 125 cc | 124 cc |
Posture metrics
Knee angle
- Aprilia MX 125 Supermoto
- Sport (58.2 deg)
- Yamaha DT 125 X
- Sport (58.0 deg)
Hip angle
- Aprilia MX 125 Supermoto
- Neutral (92.9 deg)
- Yamaha DT 125 X
- Neutral (95.1 deg)
Elbow angle
- Aprilia MX 125 Supermoto
- Relaxed (143.3 deg)
- Yamaha DT 125 X
- Relaxed (143.3 deg)
Torso lean
- Aprilia MX 125 Supermoto
- Neutral (12.8 deg)
- Yamaha DT 125 X
- Neutral (11.3 deg)