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Rider Height
<- Comparison guides

motocross / default rider 183 cm

Fantic XXF 450 vs Yamaha YZ450F ergonomics

Fantic XXF 450 and Yamaha YZ450F land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Fantic XXF 450

95Comfortable

All contacts reached

Yamaha YZ450F

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 Fantic XXF 450 has a 965 mm seat; the Yamaha YZ450F sits at 965 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 97 cm for the Fantic XXF 450 and 97 cm for the Yamaha YZ450F.

Geometry snapshot

Geometry comparison for Fantic XXF 450 and Yamaha YZ450F
SpecFantic XXF 450Yamaha YZ450F
Seat height965 mm965 mm
Wheelbase1,480 mm1,476 mm
Wet weight104 kg110 kg
Displacement450 cc450 cc

Posture metrics

Knee angle

Fantic XXF 450
Sport (58.1 deg)
Yamaha YZ450F
Sport (58.1 deg)

Hip angle

Fantic XXF 450
Neutral (93.3 deg)
Yamaha YZ450F
Neutral (93.3 deg)

Elbow angle

Fantic XXF 450
Relaxed (143.3 deg)
Yamaha YZ450F
Relaxed (143.3 deg)

Torso lean

Fantic XXF 450
Neutral (12.5 deg)
Yamaha YZ450F
Neutral (12.4 deg)