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Rider Height
<- Comparison guides

moped / default rider 183 cm

Sachs MadAss 50 vs Yamaha Y15ZR ergonomics

Sachs MadAss 50 and Yamaha Y15ZR land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Sachs MadAss 50

95Comfortable

All contacts reached

Yamaha Y15ZR

95Comfortable

All contacts reached

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

Geometry snapshot

Geometry comparison for Sachs MadAss 50 and Yamaha Y15ZR
SpecSachs MadAss 50Yamaha Y15ZR
Seat height835 mm845 mm
Wheelbase1,235 mm1,290 mm
Wet weight--
Displacement50 cc150 cc

Posture metrics

Knee angle

Sachs MadAss 50
Sport (57.6 deg)
Yamaha Y15ZR
Sport (57.7 deg)

Hip angle

Sachs MadAss 50
Neutral (98.8 deg)
Yamaha Y15ZR
Neutral (97.6 deg)

Elbow angle

Sachs MadAss 50
Relaxed (143.3 deg)
Yamaha Y15ZR
Relaxed (143.3 deg)

Torso lean

Sachs MadAss 50
Neutral (8.8 deg)
Yamaha Y15ZR
Neutral (9.6 deg)