Yamaha Xj6 vs Kawasaki Z650
Side-by-side comparison for used motorcycle buyers
Yamaha Xj6 vs Kawasaki Z650. 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 Z650: 68 hp @ 8,000 rpm hp, 187 kg (wet/curb weight) weight, top speed 185 km/h, Motoryk rating 7.8/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Yamaha Xj6
Kawasaki Z650
Horsepower (hp)
78 hp
68 hp
Torque (Nm)
59 Nm
64 Nm
Top Speed (km/h)
185 km/h
185 km/h
Weight (kg) — lower is better
211 kg
187 kg
Type
Naked
Naked
Horsepower
78 hp @ 10,000 rpm
68 hp @ 8,000 rpm
Torque
59 Nm @ 8,000 rpm
64 Nm @ 6,700 rpm
Top Speed
185 km/h (estimated; governed/restricted in some markets)
185 km/h
Weight
211 kg (wet/curb weight — Diversion variant; Naked slightly less at ~206 kg)
187 kg (wet/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 typical 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 Z650
7.8/10
"A genuinely sorted middleweight that rewards riders who outgrew 400s."
Pros
+Torquey twin from low revs
+Lightweight and genuinely flickable
+Parts cheap and plentiful
Cons
−Rear shock deteriorates quickly
−Pillion comfort frankly terrible
−Wind protection essentially nonexistent
Top 10 Accessories
Picks that work on either bike.
