Kawasaki ZX-7R Ninja (1996-97) vs Yamaha WR 250F (2017) vs Yamaha YZF 600 R6 (2017)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Yamaha |
| Model: | ZX-7R Ninja | WR 250F | YZF 600 R6 |
| Years: | 1996-97 | 2017 | 2017 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, DOHC, 4 valve Titanium | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 748 cc / 45.6 cu-in | 249 cc / 15.2 cu-in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 73 x 44.7 mm | 77 x 53.6 mm | 67 x 42.5 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.5:1 | 13.8:1 | 13.1;1 |
| Induction: | 4x 38mm Keihin CVKD carburetors | 44 mm Keihin throttle body F.I. | Fuel injection with YCC-T and YCC-I |
| Ignition: | Digital | TCI: Transistor Controlled Ignition | TCI: Transistor Controlled Ignition |
| Starting: | Electric | Electric / Kick | Electric |
| Transmission: | 6 Speed | 6 Speed Wide ratio | 6 Speed |
| Final Drive: | Sealed chain | #520 Chain | O-ring chain |
| Frame: | Aluminum twin-spar | Aluminium Bilateral Beam | Deltabox aluminium frame with revised rigidity balance |
| Front Suspension: | 43mm inverted cartridge fork, adjustable preload, fully adjustable compression and rebound damping | 48 mm inverted fork, Adjustable | 43mm KYB telescopic forks |
| Rear Suspension: | Piggy-back reservoir rear shock offers adjustable compression and rebound damping, preload and ride height to match a wide range of operating conditions. | KYB Fully adjustable single shock | KYB® piggyback shock, 4-way adjustable |
| Front Brakes: | 2x 320mm discs 6 pistons calipers | Single 270mm floating wave disc 2 piston caliper | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single 230mm disc 2 piston caliper | Single 245mm disc 1 piston caliper | Single 220mm disc 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 80/100-21 | 120/70 ZR17 |
| Rear Tyre: | 190/50 ZR17 | 100/100-18 | 180/55 ZR17 |
| Rake: | 25.0° | 27.0° | 24° |
| Trail: | 99 mm / 3.7 in | 115 mm / 4.5 in | 97mm / 3.8 in |
| Seat Height: | 780 mm / 30.9 in | 965 mm / 38.0 in | 850 mm / 33.5 in |
| Wet Weight: | 227 kg / 500 lbs | 117 kg / 258 lbs | 190 kg / 419 lbs |
| Fuel Capacity: | 18 Litres / 4.7 US gal | 7.5 Litres / 2.0 gal | 17.5 Litres / 4.5 US gal |