Yamaha XJ 750R (1983-84) vs Kawasaki GPX 250R / EX250 Ninja / ZZR 250 (2003-05)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki |
| Model: | XJ 750R | GPX 250R / EX250 Ninja / ZZR 250 |
| Years: | 1983-84 | 2003-05 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke . parallel twin, DOHC , 4 valve per cylinder |
| Capacity: | 749 cc / 45.6 cu-in | 248 cc / 15.2 cu-in |
| Bore x Stroke: | 65 х 56.5 mm | 62 х 41.2mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 9.2:1 | 12.4:1 |
| Induction: | 4X 32mm Hitachi CV | 2x Keihin CVK30 Constant velocity, diaphragm-type |
| Ignition: | Transistorized | Electronic advance |
| Starting: | Electric | Electric |
| Max Power: | 81 hp / 59.6 kW @ 9000 rpm | 45 hp / 33.5 kW @ 11000 rpm |
| Max Torque: | 48.5 Nm / 35.7 lb-ft @ 7000 rpm | 24 Nm / 17.7 lb-ft @ 10000 rpm |
| Clutch: | Multi-plat, wet | Wet, multi-disc, manual, cable-actuated |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork, 150mm wheel travel. | Telescopic forks |
| Rear Suspension: | Swing arm, twin shocks 96mm wheel travel. | UNI-TRAK single shock |
| Front Brakes: | 2x 294mm disc 2 piston calipers | Single 260mm disc |
| Rear Brakes: | Single 200mm disc | Single 230mm disc |
| Front Tyre: | 3.25H-18 | 100/80-16 |
| Rear Tyre: | 120/90-19 | 130/80-16 |
| Seat Height: | 775 mm / 30.5 in | 740 mm / 29.3 in |
| Dry Weight: | 218 kg / 480 lbs | 138 kg / 304 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal | 18 Litres / 4.7 US gal |