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Rider Height
<- Comparison guides

supermoto / default rider 183 cm

KTM 390 SMC R vs Yamaha XT 125X ergonomics

KTM 390 SMC R and Yamaha XT 125X land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

KTM 390 SMC R

95Comfortable

All contacts reached

Yamaha XT 125X

95Comfortable

All contacts reached

The two bikes are close enough that posture preference matters more than the overall score.

Rider fit: reaching the ground

The KTM 390 SMC R has a 835 mm seat; the Yamaha XT 125X sits at 831 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 84 cm for the KTM 390 SMC R and 83 cm for the Yamaha XT 125X.

Geometry snapshot

Geometry comparison for KTM 390 SMC R and Yamaha XT 125X
SpecKTM 390 SMC RYamaha XT 125X
Seat height835 mm831 mm
Wheelbase1,357 mm1,336 mm
Wet weight--
Displacement399 cc124 cc

Posture metrics

Knee angle

KTM 390 SMC R
Sport (57.8 deg)
Yamaha XT 125X
Sport (57.8 deg)

Hip angle

KTM 390 SMC R
Neutral (96.1 deg)
Yamaha XT 125X
Neutral (96.5 deg)

Elbow angle

KTM 390 SMC R
Relaxed (143.3 deg)
Yamaha XT 125X
Relaxed (143.3 deg)

Torso lean

KTM 390 SMC R
Neutral (10.6 deg)
Yamaha XT 125X
Neutral (10.3 deg)