Suzuki GSX-R 750 K1 (2001) vs Suzuki GSX-R 750W Inject (1998) vs Suzuki GSX-R 600 (2019) vs Suzuki GS 550 (1978) vs Suzuki GSX-R 750 (1989)
Comparison technical specifications
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| Make: | Suzuki | Suzuki | Suzuki | Suzuki | Suzuki |
| Model: | GSX-R 750 K1 | GSX-R 750W Inject | GSX-R 600 | GS 550 | GSX-R 750 |
| Years: | 2001 | 1998 | 2019 | 1978 | 1989 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 749 c / 45.7 cub. in. | 749 c / 45.7 cub. in. | 599 c / 36.6 cub. in. | 549 cc / 33.5 cu in | 748 c / 45.6 cub. in. |
| Bore x Stroke: | 72 x 46 mm | 72 x 46 mm | 67.0 x 42.5 mm | 56 x 55.8 mm | 73.0 x 44.7 mm |
| Compression Ratio: | 12.0:1 | 12.0:1 | 12.8:1 | 8.6:1 | 10.9:1 |
| Cooling System: | Liquid cooled | Liquid | Liquid cooled | Air cooled | Air/Oil cooled |
| Induction: | Fuel injection, 46 mm throttle bodies | Fuel injection, 46 mm throttle bodies | EFI, Four 40 mm throttle bodies, 2 valves per body. S-DMS engine management system | 4 x VM22SS Mikuni carburetors | 4 x 36 mm Mikuni constant-vacuum carburetors |
| Ignition: | Digital DC-CDI | Computer controlled electronic ignition | Digital CDI | Battery and Coil | Computer controlled electronic ignition |
| Starting: | Electric | Electric | Electric | Electric and kick | Electric |
| Max Power: | 102.9 kW / 140 hp @ 12500 rpm | 95.4 kW / 128 hp @ 12000 rpm | 93.2 kW / 125 hp @ 13500 rpm with maximum RAM air | 35.8 kW / 49 hp @ 9000 rpm | 80.2 kW / 112 hp @ 11000 rpm |
| Max Torque: | 85 Nm / 8.7 kgf-m / 62.7 ft-lb @ 10500 rpm | 82.3 Nm / 8.4 kgf-m / 60.7 ft-lb @ 10000 rpm | 67.7 Nm / 6.9 kgf-m / 49.9 ft-lb @ 11500 rpm, RAM air | 42 Nm 4.3 kgf-m / 31 lb-ft @ 7500 rpm | 74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm |
| Clutch: | Wet, multiple discs | Cable operated, wet multiple, coil spring | Wet, slipper, cable operated | Wet, 15 multi-plate | Cable operated, wet multiple, coil spring |
| Transmission: | 6 Speed, constant mesh | 6 Speed, constant mesh | 6 Speed, constant mesh | 6 Speed | 6 Speed, constant mesh |
| Final Drive: | #525 Chain, O-ring sealed, 108 links | #525 Chain, O-ring sealed, 108 links | #525 Chain, 114 links | Chain | #530 Chain, O-ring sealed, 104 links |
| Front Suspension: | Inverted telescopic, coil spring, fully adjustable spring preload, rebound and compression damping | 43mm Showa inverted, inner cartridge fully adjustable rebound compression damping, 15 mm range spring preload | Showa Big Piston front-Fork (BPF) | Telescopic fork, oil damped | 43mm Telescopic forks adjustable for preload rebound damping |
| Rear Suspension: | Link-type, gas/oil damped, fully adjustable spring preload and compression damping, 4-way adjustable rebound damping | Swingarm, progressive linkage, fully adjustable rebound compression damping, 10mm range spring preload | Link type, coil spring, oil damped | Twin shocks, coil over, 5-way adjustable springload | Full-floater Monoshock adjustable for preload rebound damping |
| Front Brakes: | 2 x 320 mm Discs, 4 piston calipers | 2 x 320 mm Discs, 6 piston calipers | 2 x 310 mm Discs, Brembo 4 piston calipers | Single 275mm disc, 1 piston caliper | 2 x 310 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 220 mm disc, 2 piston caliper | Single 220 mm disc, 2 piston caliper | Single 220 mm disc, Nissin 2 piston caliper | Drum | Single 230 mm disc, 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 120/70 ZR17 | 3.25-19 | 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 190/50 ZR17 | 180/55 ZR17 | 3.75-18 | 160/60 ZR17 |
| Rake: | 24° | 24° | 23.25° | 29o | 24.83° |
| Trail: | 96.5 mm / 3.8 in. | 96.5 mm / 3.8 in. | 93 mm / 3.7 in | 119.9 mm / 4.7 | 99 mm / 3.9 in |
| Dry Weight: | 166 kg / 366 lbs | 178 kg / 394.2 lbs | 160 kg / 352 lbs | 195 kg / 430 lbs | 195 kg / 430 lbs |
| Fuel Capacity: | 18 Litres / 4.8 US gal / 4.0 Imp gal | 18.5 Litres / 4.9 US gal / 4.1 Imp gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 21 Litres / 5.5 US gal |
| Top Speed: | 280 km/h / 174 mph | 265.6 km/h / 165 mph | 253 km/h / 157 mph | 181 km/h / 112 mph | 248.3 km/h / 154.3 mph |