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Rider Height
<- Comparison guides

moped / default rider 183 cm

Piaggio Fly 50 4V vs Yamaha RayZR ergonomics

Piaggio Fly 50 4V and Yamaha RayZR land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Piaggio Fly 50 4V

95Comfortable

All contacts reached

Yamaha RayZR

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 Piaggio Fly 50 4V has a 785 mm seat; the Yamaha RayZR sits at 785 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 79 cm for the Piaggio Fly 50 4V and 79 cm for the Yamaha RayZR.

Geometry snapshot

Geometry comparison for Piaggio Fly 50 4V and Yamaha RayZR
SpecPiaggio Fly 50 4VYamaha RayZR
Seat height785 mm785 mm
Wheelbase1,331 mm1,280 mm
Wet weight-99 kg
Displacement49 cc125 cc

Posture metrics

Knee angle

Piaggio Fly 50 4V
Sport (57.8 deg)
Yamaha RayZR
Sport (57.7 deg)

Hip angle

Piaggio Fly 50 4V
Neutral (96.7 deg)
Yamaha RayZR
Neutral (97.7 deg)

Elbow angle

Piaggio Fly 50 4V
Relaxed (143.3 deg)
Yamaha RayZR
Relaxed (143.3 deg)

Torso lean

Piaggio Fly 50 4V
Neutral (10.3 deg)
Yamaha RayZR
Neutral (9.5 deg)