Kawasaki Z1 (1973) vs Kawasaki ER-6n (2016)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | Z1 | ER-6n |
| Years: | 1973 | 2016 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | Four stroke, parallel twin, DOHC, 4 valves per cylinder. |
| Capacity: | 903 cc / 55.1 cu-in | 649 cc / 39.6 cu-in |
| Bore x Stroke: | 66 x 66 mm | 83 X 60 mm |
| Cooling System: | Air cooled | Liquid cooled, |
| Compression Ratio: | 8.5:1 | 11.3;1 |
| Lubrication: | Wet sump, trachoid pump | Wet sump |
| Induction: | 4 x 28mm Mikuni VM28SC | 2x 38mm Electronic Fuel Injection Keihin |
| Ignition: | Battery and coil | Digital TCBI |
| Starting: | Electric & kick | Electric |
| Max Power: | 82 hp / 59.8 kW @ 8500 rpm | 53 kW / 72.1 hp @ 8500 rpm |
| Max Torque: | 73.5 Nm / 54.3 lb-ft @ 7000 rpm | 66 Nm / 6.7 m-kg @ 7000 rpm |
| Clutch: | Wet, multi-plate | Wet multi-disc, manual |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Gear Ratio: | 1st 12.79:1 2nd 8.84:1 3rd 6.74:1 4th 5.58:1 5th 4.92:1 | 1st 2.438 (39/16) 2nd 1.714 (36/21) 3rd 1.333 (32/24) 4th 1.111 (30/27) 5th 0.966 (28/29) 6th 0.852 (23/27) |
| Frame: | Double tubular steel cradle | Perimeter, high-tensile steel |
| Front Suspension: | 36mm Telescopic forks | 41 mm telescopic fork, |
| Rear Suspension: | Dual shock, 5-way preload adjustment | Offset laydown single-shock with adjustable preload, |
| Front Brakes: | Single 296mm disc 2 piston caliper | 2x 300mm discs 2 piston Calipers |
| Rear Brakes: | 200mm drum | Single 220mm disc 1 piston Caliper |
| Front Tyre: | 3.25 H19 | 120/70ZR17 |
| Rear Tyre: | 4.00 S18 | 160/60ZR17 |
| Rake: | 27º | 25° |
| Trail: | 3.75 in. | 102 mm |
| Dimensions: | Length 2209.8 mm / 87.0 in. | Length 2110 mm / 83.0 in Width 770 mm / 30.3 Height 1110 mm / 43.7 in |
| Wheelbase: | 1498.6 mm / 59.0 in | 1410 mm / 55.5 in |
| Seat Height: | 812.8 mm / 32.0 in. | 805 mm / 31.7 in |
| Ground Clearance: | 170 mm / 6.75 in. | 130 mm / 5.1 in |
| Wet Weight: | 247.6 kg / 546 lbs | 204 kg / 449.7 lbs |
| Fuel Capacity: | 18 Litres / 4.7 gal | 16 Litres / 4.2 US gal. |