motocross / default rider 183 cm
Kawasaki KX250 vs Suzuki RM-Z450 ergonomics
Kawasaki KX250 and Suzuki RM-Z450 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
Kawasaki KX250
All contacts reached
Suzuki RM-Z450
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 Kawasaki KX250 lists a 955 mm seat; the Suzuki RM-Z450 lists 955 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 KX250 | Suzuki RM-Z450 |
|---|---|---|
| Seat height | 955 mm | 955 mm |
| Wheelbase | 1,486 mm | 1,480 mm |
| Wet weight | 109 kg | - |
| Displacement | 249 cc | 449 cc |
Posture metrics
Knee angle
- Kawasaki KX250
- Sport (58.1 deg)
- Suzuki RM-Z450
- Sport (58.1 deg)
Hip angle
- Kawasaki KX250
- Neutral (93.2 deg)
- Suzuki RM-Z450
- Neutral (93.3 deg)
Elbow angle
- Kawasaki KX250
- Relaxed (143.3 deg)
- Suzuki RM-Z450
- Relaxed (143.3 deg)
Torso lean
- Kawasaki KX250
- Neutral (12.5 deg)
- Suzuki RM-Z450
- Neutral (12.5 deg)