Bmw R 90 S vs Kawasaki Z1 900
Side-by-side comparison for used motorcycle buyers
Bmw R 90 S vs Kawasaki Z1 900. Bmw R 90 S: 67 hp @ 7,000 rpm hp, 215 kg (wet/curb weight) weight, top speed 200 km/h, Motoryk rating 8.5/10. 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.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Bmw R 90 S
Kawasaki Z1 900
Horsepower (hp)
67 hp
82 hp
Torque (Nm)
74 Nm
74 Nm
Top Speed (km/h)
200 km/h
209 km/h
Weight (kg) — lower is better
215 kg
230 kg
Type
Classic
Classic
Horsepower
67 hp @ 7,000 rpm
82 hp @ 8,500 rpm
Torque
74 Nm @ 5,500 rpm
74 Nm @ 7,000 rpm
Top Speed
200 km/h
209 km/h
Weight
215 kg (wet/curb weight)
230 kg (wet/curb weight)
Fuel
5.5 L/100km (approx. 18 km/L typical real-world average)
6.5 L/100km (approx. 15.4 km/L) — estimated real-world average
Fairing
Yes
No
Individual Reviews
Bmw R 90 S
8.5/10
"Buy the best example available — compromises here cost dearly."
Pros
+Timeless, genuinely iconic styling
+Bulletproof engine when maintained
+Shaft drive, zero chain hassle
Cons
−Values dangerously high now
−Carbs require constant fettling
−Parts increasingly scarce and expensive
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
Top 10 Accessories
Picks that work on either bike.









