Kawasaki ZX-10 (1989) vs Kawasaki Z 900 (2021) vs Kawasaki Z 400 (2021) vs Kawasaki Z 650 (2021) vs Kawasaki ZX-10R Ninja (2021)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki | Kawasaki | Kawasaki |
| Model: | ZX-10 | Z 900 | Z 400 | Z 650 | ZX-10R Ninja |
| Years: | 1989 | 2021 | 2021 | 2021 | 2021 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 997 cc / 60.8 cu-in | 948 cc / 57.8 cu-in | 399 cc / cu-in | 649 cc / 39.65 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 74 x 58 mm | 73.4 x 56.0 mm | 70 x 51.8 mm | 83 x 60 mm | 76.0 x 55.0 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.0:1 | 11.8:1 | 11.5:1 | 10.8:1 | 13.0:1 |
| Induction: | 4x 36mm Keihin CV carburtors | Fuel injection: 36 mm x 4 with sub-throttle | DFI with 32mm throttle bodies | DFI® with Keihin 36mm Keihin throttle bodies | DFI with 47mm Mikuni throttle bodies (4) with oval sub-throttles, two injectors per cylinder |
| Ignition: | Electronic | TCBI with electronic advance | TCBI with digital advance | TCBI with electronic advance | TCBI with digital advance and Sport-Kawasaki Traction Control (S-KTRC) |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 137 hp / 99.9 kW @ 10000 rpm | 92.2 kW / 123.6 hp @ 9500 rpm | 33.4 kW / 45 hp @10000 rpm | 50.2 kW / 67.3 hp | 149.3 kW / 203 hp @ 13200 rpm |
| Max Torque: | 3.6 kgf-m / 103 Nm @ 9000 rpm | 98.6 Nm / 72.7 lb-ft @ 7700 rpm | 38 Nm / 28.0 lb-ft @ 8,000 rpm | 65.7 Nm / 48.5 lb-ft @ 6500 rpm | 114.9 Nm / 84.7 lb-ft @ 11400 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed | 6-speed |
| Final Drive: | Chain | Sealed chain | Chain | Sealed chain | Sealed Chain |
| Front Suspension: | 41mm Telescopic forks | 41 mm inverted fork with rebound damping and spring preload adjustability | 41mm Telescopic fork | 41 mm hydraulic telescopic fork | 43mm inverted Balance Free Fork, adjustable stepless rebound and compression damping, spring preload adjustability, and top-out springs |
| Rear Suspension: | Uni-trek monoshock,. air assisted 4-way rebound damping adjustment | Horizontal Back-link with rebound damping and spring preload adjustability | Bottom-Link Uni-Trak, gas-charged shock with adjustable preload | Horizontal Back-link with adjustable preload swingarm | Horizontal back-link with Balance Free gas-charged shock, stepless, dual-range (low-/high-speed) compression damping, stepless rebound damping, fully adjustable spring preload |
| Front Brakes: | 2x 300mm discs 2 piston calipers | 2x 300 mm semi-floating discs, dual opposed 4 piston calipers | Single 310mm semi-floating petal discs. Caliper: Single balanced actuation dual piston | 2x 300mm petal-style discs, 2 piston calipers | 2x 330 mm semi-floating Brembo discs, with dual radial mounted Brembo M50 monobloc 4-piston calipers, Intelligent Braking (KIBS) (ABS only) |
| Rear Brakes: | Single 250mm disc 2 piston caliper | Single 250mm petal disc, 1 piston caliper | Single 220 mm petal disc. Caliper: Dual-piston | Single 220mm petal-style disc | Single 220mm disc with aluminum single-piston caliper, KIBS-controlled (ABS only) |
| Front Tyre: | 120/70-17 | 120/70ZR17M/C (58W) | 110/70-17M/C 54 H | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 160/60-18 | 180/55ZR17M/C (73W) | 150/60-17M/C 66 H | 160/60 ZR7 | 190/55 ZR17 |
| Fuel Capacity: | 22 Litres / 5.8 US gal | 17 Litres / 4.5 US gal | 14 Litres / 3.7 US gal | 15 Litres / 4.0 US gal | 17 Litres / 4.5 US gal |