standard / default rider 183 cm
Honda CB550 Four vs Kawasaki Z125 Pro ergonomics
Honda CB550 Four and Kawasaki Z125 Pro have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.
Modeled fit comparison
Honda CB550 Four
All contacts reached
Kawasaki Z125 Pro
All contacts reached
The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. 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 Honda CB550 Four lists a 805 mm seat; the Kawasaki Z125 Pro lists 805 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 | Honda CB550 Four | Kawasaki Z125 Pro |
|---|---|---|
| Seat height | 805 mm | 805 mm |
| Wheelbase | 1,405 mm | 1,175 mm |
| Wet weight | 192 kg | 102 kg |
| Displacement | 544 cc | 125 cc |
Posture metrics
Knee angle
- Honda CB550 Four
- Sport (58.0 deg)
- Kawasaki Z125 Pro
- Sport (57.5 deg)
Hip angle
- Honda CB550 Four
- Neutral (95.0 deg)
- Kawasaki Z125 Pro
- Neutral (100.3 deg)
Elbow angle
- Honda CB550 Four
- Relaxed (143.3 deg)
- Kawasaki Z125 Pro
- Relaxed (143.3 deg)
Torso lean
- Honda CB550 Four
- Neutral (11.4 deg)
- Kawasaki Z125 Pro
- Neutral (7.9 deg)