moped / default rider 183 cm
Vespa ET4 50 vs Yamaha T-150 / Exciter 150 ergonomics
Vespa ET4 50 and Yamaha T-150 / Exciter 150 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Vespa ET4 50
95Comfortable
All contacts reached
Yamaha T-150 / Exciter 150
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 Vespa ET4 50 has a 780 mm seat; the Yamaha T-150 / Exciter 150 sits at 780 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 78 cm for the Vespa ET4 50 and 78 cm for the Yamaha T-150 / Exciter 150.
Geometry snapshot
| Spec | Vespa ET4 50 | Yamaha T-150 / Exciter 150 |
|---|---|---|
| Seat height | 780 mm | 780 mm |
| Wheelbase | 1,280 mm | 1,240 mm |
| Wet weight | - | 116 kg |
| Displacement | 50 cc | 150 cc |
Posture metrics
Knee angle
- Vespa ET4 50
- Sport (57.7 deg)
- Yamaha T-150 / Exciter 150
- Sport (57.6 deg)
Hip angle
- Vespa ET4 50
- Neutral (97.7 deg)
- Yamaha T-150 / Exciter 150
- Neutral (98.7 deg)
Elbow angle
- Vespa ET4 50
- Relaxed (143.3 deg)
- Yamaha T-150 / Exciter 150
- Relaxed (143.3 deg)
Torso lean
- Vespa ET4 50
- Neutral (9.5 deg)
- Yamaha T-150 / Exciter 150
- Neutral (8.9 deg)