Kawasaki Z 750 Twin (1977) vs Honda NX125 Transcity (1997-) vs Kawasaki GPX 250R / EX250 Ninja / ZZR 250 (2003-05) vs Kawasaki Z-X10R Ninja (2004)
Comparison technical specifications
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| Make: | Kawasaki | Honda | Kawasaki | Kawasaki |
| Model: | Z 750 Twin | NX125 Transcity | GPX 250R / EX250 Ninja / ZZR 250 | Z-X10R Ninja |
| Years: | 1977 | 1997- | 2003-05 | 2004 |
| Engine: | Four stroke, parallel twin cylinder, 2 valve per cylinder. | Four stroke, single cylinder | Four stroke . parallel twin, DOHC , 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 745 cc / 54.45 cu-in | 124.8 cc / 7.5 cu-in | 248 cc / 15.2 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 78 х 78 mm | 56.5 x 49.5 mm | 62 х 41.2mm | 76 x 55 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 8.5:1 | 9.5:1 | 12.4:1 | 12.7:1 |
| Induction: | 2x 38 mm Mikuni carburetors | Single 24mm carburetor | 2x Keihin CVK30 Constant velocity, diaphragm-type | Digital fuel injection with four 43mm throttle bodies |
| Ignition: | Battery, coil | CDI | Electronic advance | TCBI with digital advance |
| Starting: | Electric & kick | Electric | Electric | Electric |
| Max Power: | 41 kW / 55 hp @ 7000 rpm | 13 hp / 9.5 kW @ 9000 rpm | 45 hp / 33.5 kW @ 11000 rpm | 175 hp / 128.4 kW @ 11700 rpm |
| Max Torque: | 60.8 Nm / 6.2 kg-fm / 44.8 ft.lbs @ 3000 rpm | 12 Nm / 1.0 kgf-m @ 7500 rpm | 24 Nm / 17.7 lb-ft @ 10000 rpm | 115 Nm / 1173 kg-m @ 9500 rpm |
| Transmission: | 5 Speed | 6 Speed | 6 Speed | 6 Speed |
| Front Suspension: | Telehydraulic fork | Hydraulic fork tubes of 35 mm diameter | Telescopic forks | 43 mm inverted fork with top-out springs Compression damping - 16-way Rebound damping - 16-way Spring preload - Fully adjustable |
| Rear Suspension: | Swinging fork | Prolink Monoshock | UNI-TRAK single shock | Bottom-Link Uni-Trak with gas-charged shock and top-out spring Compression damping - Stepless Rebound damping - Stepless Spring preload - Fully adjustable |
| Rear Wheel Travel: | 95 mm / 3.7 in. | 180 mm / 7 in | 130 mm / 5.1 in | 125 mm / 4.7 in |
| Front Brakes: | Single disc, 250 mm | Single 240mm disc 2lpiston caliper | Single 260mm disc | 2x 300mm discs 4 piston calipers |
| Rear Brakes: | Single disc, 230 mm | 110mm Drum | Single 230mm disc | Single 220 mm disc |
| Front Tyre: | 3.25H-19 | 300 -21 | 100/80-16 | 120/70 ZR17 |
| Rear Tyre: | 4.00H-18 | 460 -17 | 130/80-16 | 190/50 ZR17 |
| Dry-Weight: | 230 kg / 507 lbs | 120 kg / 264.6 lbs | 138 kg / 304 lbs | 170 kg / 374.9 lbs |
| Fuel Capacity: | 14.5 Litres / 3.8 US gal | 9 Litres / 2.3 US gal | 18 Litres / 4.7 US gal | 17 Litres / 4.4 US gal |