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Rider Height
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sport / default rider 183 cm

Suzuki GSX-R125 vs Yamaha FZR400 ergonomics

Suzuki GSX-R125 has the higher modeled posture score (95 vs 90) for the 183 cm default rider compared with Yamaha FZR400. Treat this as a planning estimate, not a comfort or purchase verdict; compare the source confidence and confirm both bikes in person.

Modeled fit comparison

Suzuki GSX-R125

Modeled scoreProvisional
95Comfortable

All contacts reached

Yamaha FZR400

Modeled scoreProvisional
90Comfortable

All contacts reached

Suzuki GSX-R125 scores higher for the 183 cm default rider in this model. 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 Suzuki GSX-R125 lists a 785 mm seat; the Yamaha FZR400 lists 785 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 Suzuki GSX-R125 and Yamaha FZR400
SpecSuzuki GSX-R125Yamaha FZR400
Seat height785 mm785 mm
Wheelbase1,300 mm1,400 mm
Wet weight137 kg186 kg
Displacement124 cc399 cc

Posture metrics

Knee angle

Suzuki GSX-R125
Sport (60.7 deg)
Yamaha FZR400
Sport (60.7 deg)

Hip angle

Suzuki GSX-R125
Neutral (99.7 deg)
Yamaha FZR400
Neutral (99.5 deg)

Elbow angle

Suzuki GSX-R125
Relaxed (143.3 deg)
Yamaha FZR400
Relaxed (143.3 deg)

Torso lean

Suzuki GSX-R125
Neutral (25.0 deg)
Yamaha FZR400
Forward (25.4 deg)