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All Bikes/Compare/Kawasaki Z1 900 vs Yamaha Xs650

Kawasaki Z1 900 vs Yamaha Xs650

Side-by-side comparison for used motorcycle buyers

Kawasaki Z1 900 vs Yamaha Xs650. Kawasaki Z1 900: 82 hp @ 8,500 rpm hp, 230 kg (wet/curb weight) weight, top speed 209 km/h, Motoryk rating 8.5/10. Yamaha Xs650: 53 hp @ 7,000 rpm hp, 193 kg (wet/curb weight) weight, top speed 170 km/h, Motoryk rating 8.5/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Kawasaki Z1 900 Yamaha Xs650
Horsepower (hp)
82 hp
53 hp
Torque (Nm)
74 Nm
52 Nm
Top Speed (km/h)
209 km/h
170 km/h
Weight (kg) — lower is better
230 kg
193 kg
Type
Classic
Classic
Horsepower
82 hp @ 8,500 rpm
53 hp @ 7,000 rpm
Torque
74 Nm @ 7,000 rpm
52 Nm @ 6,000 rpm
Top Speed
209 km/h
170 km/h
Weight
230 kg (wet/curb weight)
193 kg (wet/curb weight)
Fuel
6.5 L/100km (approx. 15.4 km/L) — estimated real-world average
4.5 L/100km (approx. 22 km/L)
Fairing
No
No

Individual Reviews

Kawasaki Z1 900
Kawasaki Z1 900
8.5/10

"Buy the best one you can find and never look back."

Pros
+Appreciating classic investment
+Stunning inline-four soundtrack
+Strong parts availability
Cons
Electrics frequently troublesome
Expensive to recommission properly
Rampant fakes and restomods
Yamaha Xs650
Yamaha Xs650
8.5/10

"The best vintage Japanese twin you can still reasonably find."

Pros
+Virtually indestructible engine
+Huge aftermarket support still
+Stunning parallel twin character
Cons
Prices inflated by hipsters
Many rough project bikes circulating
Points ignition needs attention

Top 10 Accessories

Picks that work on either bike.

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🛢️
Motul · Engine Oil
Motul 5100 10W-40 Semi-Synthetic 4L
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🛢️
Motul · Engine Oil
Motul 3000 20W-50 4T Mineral 4L
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⚙️
HifloFiltro · Oil Filter
HifloFiltro HF401
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⚙️
Oil Filter
Oil filter for Yamaha XS650
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🌬️
Air Filter
Air filter for Kawasaki Z1 900
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🌬️
Air Filter
Air filter for Yamaha XS650
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NGK · Spark Plugs
NGK B8ES (x4)
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NGK · Spark Plugs
NGK BP7ES (x2)
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Full-Face Motorcycle Helmet
Helmet
Full-Face Motorcycle Helmet
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Riding Gloves
Gloves
Riding Gloves
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