scooter / default rider 183 cm
KYMCO AK 550 vs Yamaha Cygnus X 125 ergonomics
KYMCO AK 550 and Yamaha Cygnus X 125 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
KYMCO AK 550
95Comfortable
All contacts reached
Yamaha Cygnus X 125
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 KYMCO AK 550 has a 785 mm seat; the Yamaha Cygnus X 125 sits at 785 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 79 cm for the KYMCO AK 550 and 79 cm for the Yamaha Cygnus X 125.
Geometry snapshot
| Spec | KYMCO AK 550 | Yamaha Cygnus X 125 |
|---|---|---|
| Seat height | 785 mm | 785 mm |
| Wheelbase | 1,580 mm | 1,295 mm |
| Wet weight | 226 kg | 120 kg |
| Displacement | 550 cc | 125 cc |
Posture metrics
Knee angle
- KYMCO AK 550
- Sport (58.4 deg)
- Yamaha Cygnus X 125
- Sport (57.7 deg)
Hip angle
- KYMCO AK 550
- Neutral (91.1 deg)
- Yamaha Cygnus X 125
- Neutral (97.5 deg)
Elbow angle
- KYMCO AK 550
- Relaxed (143.3 deg)
- Yamaha Cygnus X 125
- Relaxed (143.3 deg)
Torso lean
- KYMCO AK 550
- Neutral (13.9 deg)
- Yamaha Cygnus X 125
- Neutral (9.7 deg)