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Rider Height
<- Comparison guides

scrambler / default rider 183 cm

BSA Motorcycles Thunderbolt vs Yamaha XSR125 Legacy ergonomics

BSA Motorcycles Thunderbolt and Yamaha XSR125 Legacy land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

BSA Motorcycles Thunderbolt

95Comfortable

All contacts reached

Yamaha XSR125 Legacy

95Comfortable

All contacts reached

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

Geometry snapshot

Geometry comparison for BSA Motorcycles Thunderbolt and Yamaha XSR125 Legacy
SpecBSA Motorcycles ThunderboltYamaha XSR125 Legacy
Seat height815 mm815 mm
Wheelbase1,466 mm1,330 mm
Wet weight185 kg140 kg
Displacement334 cc124 cc

Posture metrics

Knee angle

BSA Motorcycles Thunderbolt
Sport (58.1 deg)
Yamaha XSR125 Legacy
Sport (57.8 deg)

Hip angle

BSA Motorcycles Thunderbolt
Neutral (93.6 deg)
Yamaha XSR125 Legacy
Neutral (96.6 deg)

Elbow angle

BSA Motorcycles Thunderbolt
Relaxed (143.3 deg)
Yamaha XSR125 Legacy
Relaxed (143.3 deg)

Torso lean

BSA Motorcycles Thunderbolt
Neutral (12.3 deg)
Yamaha XSR125 Legacy
Neutral (10.3 deg)