Suzuki GSX-R 750 Relentless Replica (2008) vs Kawasaki KDX 125 (1990-92)
Comparison technical specifications
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| Make: | Suzuki | Kawasaki |
| Model: | GSX-R 750 Relentless Replica | KDX 125 |
| Years: | 2008 | 1990-92 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Two stroke, single cylinder, with KIPS |
| Capacity: | 749 c / 45.7 cub. in. | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 70 x 48.7 mm | 56 х 50.6 mm |
| Compression Ratio: | 12.5:1 | 8,0:1 |
| Cooling System: | Liquid. High capacity large trapezoidal-shaped radiator which includes compact cooling fan assembly designed for improved air flow. | Liquid cooled |
| Induction: | New 32 bit ECM features 1024 kilobytes of ROM for maximum engine performance working in conjunction with the new S-DMS engine management system | Keihin PE28 carburetor |
| Ignition: | Digital DC-CDI | CDI |
| Spark Plug: | NGK, CR9E | NGK B9EV or B9EVX |
| Starting: | Electric | Electric |
| Max Power: | 110.3 kW / 148 hp @ 12800 rpm | 24 hp / 17.8 kW @ 9600 rpm |
| Max Torque: | 86.3 Nm / 8.8 kgf-m / 64 ft-lb @ 11200 rpm | 21.8 Nm / 16 lb-ft @ 8600 rpm |
| Clutch: | Wet, multiple discs | Multi-disc clutch in oil bath |
| Transmission: | 6 Speed, constant mesh | 6 Speed |
| Final Drive: | Chain, RK525ROZ5Y, 116 links | Chain |
| Front Suspension: | Showa inverted 41 mm cartridge front forks fully adjustable for high and low speed compression, spring preload, and rebound damping | Kayaba 48mm telescopic hydraulic fork reversed KAYABA 48mm, double adjustment + adjustable spring preload, prepared |
| Rear Suspension: | Showa 41mm aluminum alloy rear shock with a 16mm rod diameter are fully adjustable for high and low speed compression, spring preload and rebound damping | Uni-Trak adjustable for preload |
| Front Wheel Travel: | 120 mm / 4.7 in. | 300 mm / 11.8 in |
| Rear Wheel Travel: | 130 mm / 5.1 in. | 320 mm / 12.5 in |
| Front Brakes: | 2 x 310 mm Discs, radial-mount opposed-four-piston Tokico 4 piston calipers | Single 260mm disc |
| Rear Brakes: | Single 220 mm disc, Tokico 2 piston caliper | Single 220mm disc |
| Front Tyre: | 120/70 ZR17 | 70/100-21 |
| Rear Tyre: | 180/55 ZR17 | 4.10-18 |
| Wheelbase: | 1390 mm / 54.7 in. | 1455 mm / 57.3 in to 1480 mm / 58.2 inaccording to chain tension |
| Seat Height: | 810 mm / 31.8 in. | 950 mm / 37.4 in |
| Ground Clearance: | 130 mm / 5.1 in | 365 mm / 14.3 in |
| Dry Weight: | 163 kg / 359 lbs | 98 kg / 216 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal / 3.7 Imp gal | 9.0 Litres / 2.3 US gal |
| Standing ¼ mile: | 10.7 sec | 20.3 sec |
| Top Speed: | 270.7 km/h / 168 mph | 64 mph / 103 km/h |