standard / default rider 183 cm
Kawasaki Z650RS vs Yamaha XS750D ergonomics
Kawasaki Z650RS and Yamaha XS750D 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 Z650RS
All contacts reached
Yamaha XS750D
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 Z650RS lists a 820 mm seat; the Yamaha XS750D lists 813 mm — a 7 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 Yamaha XS750D 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 | Kawasaki Z650RS | Yamaha XS750D |
|---|---|---|
| Seat height | 820 mm | 813 mm |
| Wheelbase | 1,405 mm | 1,470 mm |
| Wet weight | 187 kg | 249 kg |
| Displacement | 649 cc | 747 cc |
Posture metrics
Knee angle
- Kawasaki Z650RS
- Sport (58.0 deg)
- Yamaha XS750D
- Sport (58.1 deg)
Hip angle
- Kawasaki Z650RS
- Neutral (95.0 deg)
- Yamaha XS750D
- Neutral (93.6 deg)
Elbow angle
- Kawasaki Z650RS
- Relaxed (143.3 deg)
- Yamaha XS750D
- Relaxed (143.3 deg)
Torso lean
- Kawasaki Z650RS
- Neutral (11.4 deg)
- Yamaha XS750D
- Neutral (12.3 deg)