motocross / default rider 183 cm
Bultaco Pursang 250 Mk IX vs Kawasaki KX65 ergonomics
Bultaco Pursang 250 Mk IX and Kawasaki KX65 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
Bultaco Pursang 250 Mk IX
All contacts reached
Kawasaki KX65
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 Bultaco Pursang 250 Mk IX lists a 787 mm seat; the Kawasaki KX65 lists 760 mm — a 27 mm difference. 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.
On seat height alone, the Kawasaki KX65 has the easier modeled ground reach. Load your measurements into the simulator to compare the model, then verify both motorcycles in person.
Geometry snapshot
| Spec | Bultaco Pursang 250 Mk IX | Kawasaki KX65 |
|---|---|---|
| Seat height | 787 mm | 760 mm |
| Wheelbase | 1,422 mm | 1,120 mm |
| Wet weight | - | 60 kg |
| Displacement | 244 cc | 64 cc |
Posture metrics
Knee angle
- Bultaco Pursang 250 Mk IX
- Sport (58.0 deg)
- Kawasaki KX65
- Sport (57.4 deg)
Hip angle
- Bultaco Pursang 250 Mk IX
- Neutral (94.6 deg)
- Kawasaki KX65
- Neutral (101.5 deg)
Elbow angle
- Bultaco Pursang 250 Mk IX
- Relaxed (143.3 deg)
- Kawasaki KX65
- Relaxed (143.3 deg)
Torso lean
- Bultaco Pursang 250 Mk IX
- Neutral (11.7 deg)
- Kawasaki KX65
- Neutral (7.0 deg)