Suzuki GN 125 (1988-89) vs Kawasaki ER-6n (2012) vs Yamaha YZF 600 R6 Special Edition (2007)
Comparison technical specifications
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| Make: | Suzuki | Kawasaki | Yamaha |
| Model: | GN 125 | ER-6n | YZF 600 R6 Special Edition |
| Years: | 1988-89 | 2012 | 2007 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve per cylinder. | Four stroke, parallel twin, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 124 cc / 7.6 cu in | 649 cc / 39.6 cu-in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 57.0 x 48.8 mm | 83 X 60 mm | 67 x 42.5 mm |
| Compression Ratio: | 9.5:1 | 11.3;1 | 12.4;1 |
| Cooling System: | Air cooled | Liquid cooled, | Liquid cooled |
| Induction: | Carburetor | 2x 38mm Electronic Fuel Injection Keihin | Fuel Injection 38mm throttle bodies |
| Ignition: | Digital CDI | Digital TCBI | TCI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 9.7 kW / 13 hp @ 9500 rpm | 53 kW / 72.1 hp @ 8500 rpm | 124.6 hp / 91.7 kW @14500 rpm |
| Max Torque: | 10 Nm / 1.0 kgf-m / 7.4 lb-ft @ 5600 rpm | 66 Nm / 6.7 m-kg @ 7000 rpm | 69.1 Nm / 7.05 kg-m @ 11000 rp @ 1100 rpm |
| Clutch: | Wet, multi-plate, cable operated | Wet multi-disc, manual | Wet multiple-disc coil spring |
| Transmission: | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | O-ring Chain |
| Frame: | Single steel cradle | Perimeter, high-tensile steel | Deltabox aluminium frame with revised rigidity balance |
| Front Suspension: | 37 mm Hydraulic telescopic forks | 41 mm telescopic fork, | 41mm upside down forks with 2-way compression damping adjustable |
| Front Wheel Travel: | 130 mm / 5.1 in | 125 mm / 4.9 in | 119.4 mm / 4.7 in |
| Rear Suspension: | Dual shocks | Offset laydown single-shock with adjustable preload, | Fully adjustable rear shock absorber with 2-way compression damping |
| Rear Wheel Travel: | 91 mm / 3.6 in | 130 mm / 5.1 in | 119.4 mm / 4.7 in |
| Front Brakes: | Single disc, 220 mm, single piston caliper | 2x 300mm discs 2 piston Calipers | 2x 320mm discs |
| Rear Brakes: | Drum, 130 mm | Single 220mm disc 1 piston Caliper | Single 220mm disc |
| Front Tyre: | 90/90-18 | 120/70ZR17 | 120/70 ZR17 |
| Dimensions: | Length: 1945 mm / 76.6 in Width: 815 mm / 32.1 in Height: 1110 mm / 43.7 in | Length 2110 mm / 83.0 in Width 770 mm / 30.3 Height 1110 mm / 43.7 in | Length 2040 mm / 80.3 in Width 705 mm / 27.8 in Height 1100 mm / 43.3 in |
| Wheelbase: | 1280 mm / 50.4 in | 1410 mm / 55.5 in | 1380 mm / 53.4 in |
| Seat Height: | 735 mm / 28.9 in | 805 mm / 31.7 in | 850 mm / 33.5 in |
| Fuel Capacity: | 10.3 Litres / 2.7 US gal / 2.3 Imp gal | 16 Litres / 4.2 US gal. | 17.5 Litres / 3.7 gal |