Yamaha Xj6 vs Kawasaki Z400
Side-by-side comparison for used motorcycle buyers
Yamaha Xj6 vs Kawasaki Z400. Yamaha Xj6: 78 hp @ 10,000 rpm hp, 211 kg (wet/curb weight — Diversion variant; Naked slightly less at ~206 kg) weight, top speed 185 km/h (estimated; governed/restricted in some markets), Motoryk rating 7.5/10. Kawasaki Z400: 45 hp @ 10,000 rpm hp, 167 kg (curb weight) weight, top speed 175 km/h (estimated), Motoryk rating 8.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Yamaha Xj6
Kawasaki Z400
Horsepower (hp)
78 hp
45 hp
Torque (Nm)
59 Nm
38 Nm
Top Speed (km/h)
185 km/h
175 km/h
Weight (kg) — lower is better
211 kg
167 kg
Type
Naked
Naked
Horsepower
78 hp @ 10,000 rpm
45 hp @ 10,000 rpm
Torque
59 Nm @ 8,000 rpm
38 Nm @ 8,000 rpm
Top Speed
185 km/h (estimated; governed/restricted in some markets)
175 km/h (estimated)
Weight
211 kg (wet/curb weight — Diversion variant; Naked slightly less at ~206 kg)
167 kg (curb weight)
Fuel
5.5–6.5 L/100km (approx. 15–18 km/L, real-world average)
4.5 L/100km (approx. 22 km/L real-world average)
Fairing
No
No
Individual Reviews
Yamaha Xj6
7.5/10
"A genuinely sorted middleweight that earns its reputation through quiet competence."
Pros
+Bulletproof Yamaha reliability
+Smooth predictable power delivery
+Comfortable upright ergonomics
Cons
−Soft suspension needs upgrading
−Uninspiring above 100mph
−Fairing plastics crack easily
Kawasaki Z400
8.0/10
"The sharpest small naked you can buy used right now."
Pros
+Punchy, rev-happy parallel twin
+Excellent suspension for class
+Genuinely stylish naked design
Cons
−Fork seals fail prematurely
−Tip-over damage common used
−Limited wind protection highway
Top 10 Accessories
Picks that work on either bike.
