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Rider Height
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standard / default rider 183 cm

Triumph Thunderbird Sport 900 vs Yamaha XJ600 Seca II ergonomics

Triumph Thunderbird Sport 900 and Yamaha XJ600 Seca II land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Triumph Thunderbird Sport 900

95Comfortable

All contacts reached

Yamaha XJ600 Seca II

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 Triumph Thunderbird Sport 900 has a 775 mm seat; the Yamaha XJ600 Seca II sits at 777 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 78 cm for the Triumph Thunderbird Sport 900 and 78 cm for the Yamaha XJ600 Seca II.

Geometry snapshot

Geometry comparison for Triumph Thunderbird Sport 900 and Yamaha XJ600 Seca II
SpecTriumph Thunderbird Sport 900Yamaha XJ600 Seca II
Seat height775 mm777 mm
Wheelbase1,550 mm1,460 mm
Wet weight-204 kg
Displacement885 cc599 cc

Posture metrics

Knee angle

Triumph Thunderbird Sport 900
Sport (58.3 deg)
Yamaha XJ600 Seca II
Sport (58.1 deg)

Hip angle

Triumph Thunderbird Sport 900
Neutral (91.8 deg)
Yamaha XJ600 Seca II
Neutral (93.7 deg)

Elbow angle

Triumph Thunderbird Sport 900
Relaxed (143.3 deg)
Yamaha XJ600 Seca II
Relaxed (143.3 deg)

Torso lean

Triumph Thunderbird Sport 900
Neutral (13.5 deg)
Yamaha XJ600 Seca II
Neutral (12.2 deg)