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naked / default rider 183 cm

QJ Motor SRK 921 vs Yamaha MT-10 SP ergonomics

QJ Motor SRK 921 and Yamaha MT-10 SP 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

QJ Motor SRK 921

Modeled scoreProvisional
95Comfortable

All contacts reached

Yamaha MT-10 SP

Modeled scoreProvisional
95Comfortable

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 QJ Motor SRK 921 lists a 835 mm seat; the Yamaha MT-10 SP lists 836 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

Geometry comparison for QJ Motor SRK 921 and Yamaha MT-10 SP
SpecQJ Motor SRK 921Yamaha MT-10 SP
Seat height835 mm836 mm
Wheelbase1,425 mm1,405 mm
Wet weight218 kg214 kg
Displacement921 cc998 cc

Posture metrics

Knee angle

QJ Motor SRK 921
Sport (61.6 deg)
Yamaha MT-10 SP
Sport (61.5 deg)

Hip angle

QJ Motor SRK 921
Neutral (92.2 deg)
Yamaha MT-10 SP
Neutral (92.6 deg)

Elbow angle

QJ Motor SRK 921
Relaxed (143.3 deg)
Yamaha MT-10 SP
Relaxed (143.3 deg)

Torso lean

QJ Motor SRK 921
Neutral (12.5 deg)
Yamaha MT-10 SP
Neutral (12.1 deg)