cafe-racer / default rider 183 cm
Norton Motorcycles Commando 961 SE vs Yamaha XSR900 ergonomics
Norton Motorcycles Commando 961 SE and Yamaha XSR900 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.
Posture overlay
The default rider's modeled seated posture on each bike, solved from the same geometry as the score panels and overlaid on one ground line so seat height and reach differences are visible at a glance.
Modeled fit comparison
Norton Motorcycles Commando 961 SE
All contacts reached
Yamaha XSR900
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 Norton Motorcycles Commando 961 SE lists a 813 mm seat; the Yamaha XSR900 lists 810 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 | Norton Motorcycles Commando 961 SE | Yamaha XSR900 |
|---|---|---|
| Seat height | 813 mm | 810 mm |
| Wheelbase | 1,420 mm | 1,496 mm |
| Wet weight | - | 193 kg |
| Displacement | 961 cc | 890 cc |
Posture metrics
Knee angle
- Norton Motorcycles Commando 961 SE
- Sport (58.0 deg)
- Yamaha XSR900
- Sport (58.2 deg)
Hip angle
- Norton Motorcycles Commando 961 SE
- Neutral (94.7 deg)
- Yamaha XSR900
- Neutral (92.9 deg)
Elbow angle
- Norton Motorcycles Commando 961 SE
- Relaxed (143.3 deg)
- Yamaha XSR900
- Relaxed (143.3 deg)
Torso lean
- Norton Motorcycles Commando 961 SE
- Neutral (11.6 deg)
- Yamaha XSR900
- Neutral (12.7 deg)
Fit by rider height
Modeled ground contact by rider height, in 5 bands from 5'2" to 6'4" (158-193 cm).
| Rider height | Norton Motorcycles Commando 961 SE | Yamaha XSR900 |
|---|---|---|
| 158 cm / 5'2" | Tiptoe only | Tiptoe only |
| 167 cm / 5'6" | Balls of feet | Balls of feet |
| 176 cm / 5'9" | Both feet flat | Both feet flat |
| 184 cm / 6'0" | Both feet flat | Both feet flat |
| 193 cm / 6'4" | Both feet flat | Both feet flat |
Modeled from each bike's seat height and a typical inseam-to-height ratio only — not a flat-footing guarantee. Real ground contact still depends on seat shape, suspension sag, footwear, and your own proportions. Confirm on the motorcycle.
Verdict
Norton Motorcycles Commando 961 SE and Yamaha XSR900 are both cafe-racer bikes, so the practical question is which of their real differences you'd actually feel. Yamaha XSR900 runs a 76 mm longer wheelbase than Norton Motorcycles Commando 961 SE, which typically trades some low-speed agility for extra stability at speed. None of that adds up to a clear overall winner in the modeled posture score, so the individual differences above are the more useful comparison than the headline number. Treat every figure here as a planning estimate: seat width, suspension sag, footwear, and your own proportions can shift the real feel more than a few millimetres or degrees on paper. Load your height and inseam into the simulator, then sit on both before you decide.
Kit out either bike
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