standard / default rider 183 cm
Yamaha XSR125 vs Yamaha XSR900 ergonomics
Yamaha XSR900 has the higher modeled posture score (100 vs 95) for the 183 cm default rider compared with Yamaha XSR125. Treat this as a planning estimate, not a comfort or purchase verdict; compare the source confidence and confirm both bikes in person.
Modeled fit comparison
Yamaha XSR125
All contacts reached
Yamaha XSR900
All contacts reached
Yamaha XSR900 scores higher for the 183 cm default rider in this model. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.
Rider fit: reaching the ground
The Yamaha XSR125 lists a 815 mm seat; the Yamaha XSR900 lists 815 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.
Geometry snapshot
| Spec | Yamaha XSR125 | Yamaha XSR900 |
|---|---|---|
| Seat height | 815 mm | 815 mm |
| Wheelbase | 1,330 mm | 1,495 mm |
| Wet weight | 140 kg | 196 kg |
| Displacement | 124 cc | 890 cc |
Posture metrics
Knee angle
- Yamaha XSR125
- Sport (57.8 deg)
- Yamaha XSR900
- Neutral (76.6 deg)
Hip angle
- Yamaha XSR125
- Neutral (96.6 deg)
- Yamaha XSR900
- Neutral (115.7 deg)
Elbow angle
- Yamaha XSR125
- Relaxed (143.3 deg)
- Yamaha XSR900
- Relaxed (143.3 deg)
Torso lean
- Yamaha XSR125
- Neutral (10.3 deg)
- Yamaha XSR900
- Neutral (18.3 deg)