sport / default rider 183 cm
Kawasaki Ninja ZX-25R vs Suzuki GSX-R125 ergonomics
Suzuki GSX-R125 has the higher modeled posture score (95 vs 90) for the 183 cm default rider compared with Kawasaki Ninja ZX-25R. 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
Kawasaki Ninja ZX-25R
All contacts reached
Suzuki GSX-R125
All contacts reached
Suzuki GSX-R125 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 Kawasaki Ninja ZX-25R lists a 785 mm seat; the Suzuki GSX-R125 lists 785 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 | Kawasaki Ninja ZX-25R | Suzuki GSX-R125 |
|---|---|---|
| Seat height | 785 mm | 785 mm |
| Wheelbase | 1,380 mm | 1,300 mm |
| Wet weight | 180 kg | 137 kg |
| Displacement | 249 cc | 124 cc |
Posture metrics
Knee angle
- Kawasaki Ninja ZX-25R
- Sport (60.7 deg)
- Suzuki GSX-R125
- Sport (60.7 deg)
Hip angle
- Kawasaki Ninja ZX-25R
- Neutral (99.6 deg)
- Suzuki GSX-R125
- Neutral (99.7 deg)
Elbow angle
- Kawasaki Ninja ZX-25R
- Relaxed (143.3 deg)
- Suzuki GSX-R125
- Relaxed (143.3 deg)
Torso lean
- Kawasaki Ninja ZX-25R
- Forward (25.3 deg)
- Suzuki GSX-R125
- Neutral (25.0 deg)