moped / default rider 183 cm
Yamaha Sight 115 CW vs Yamaha Sirius FI ergonomics
Yamaha Sight 115 CW and Yamaha Sirius FI 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 Sight 115 CW
95Comfortable
All contacts reached
Yamaha Sirius FI
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 Yamaha Sight 115 CW has a 775 mm seat; the Yamaha Sirius FI sits at 775 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 Yamaha Sight 115 CW and 78 cm for the Yamaha Sirius FI.
Geometry snapshot
| Spec | Yamaha Sight 115 CW | Yamaha Sirius FI |
|---|---|---|
| Seat height | 775 mm | 775 mm |
| Wheelbase | 1,235 mm | 1,235 mm |
| Wet weight | 96 kg | 98 kg |
| Displacement | 114 cc | 113 cc |
Posture metrics
Knee angle
- Yamaha Sight 115 CW
- Sport (57.6 deg)
- Yamaha Sirius FI
- Sport (57.6 deg)
Hip angle
- Yamaha Sight 115 CW
- Neutral (98.8 deg)
- Yamaha Sirius FI
- Neutral (98.8 deg)
Elbow angle
- Yamaha Sight 115 CW
- Relaxed (143.3 deg)
- Yamaha Sirius FI
- Relaxed (143.3 deg)
Torso lean
- Yamaha Sight 115 CW
- Neutral (8.8 deg)
- Yamaha Sirius FI
- Neutral (8.8 deg)