Kawasaki Z 400J (1980-93) vs Kawasaki KX 500 (1988-89)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | Z 400J | KX 500 |
| Years: | 1980-93 | 1988-89 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. | Two stroke, single cylinder, read valve |
| Capacity: | 399 cc / 24.3 cu-in | 499 cc / 30.5 cu-in |
| Bore x Stroke: | 52 х 47mm | 86 x 86mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 9.5:1 | 8.4:1 |
| Induction: | 4 x 21mm Teir-Kei carburetors | KeihinPWK39 carburetor |
| Ignition: | CDI | Electronic CDI |
| Starting: | Electric | Kick |
| Max Power: | 43 hp / 32 kW @ 10500 rpm | 66 hp / 49.2 kW @ 7000 rpm |
| Max Torque: | 3.5 kgf-m / 25.3 lb-ft @ 8500 rpm | 65,7 Nm 48.4 lb-ft / @ 6000 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Gear Ratio: | 1st 2.57 (36/14) 2nd 1.78 (32/18) 3rd 1.38 (29/21) 4th 1.13 (27/24) 5th 0.96 (25/26) 6th 0.85 (23/27) | 1st 2.000 2nd 1.450 3rd 1.181 4th 0.954 5th 0.791 |
| Front Suspension: | Leading axle telescopic forks | 43mm cartridge fork with 16-way compression damping |
| Rear Suspension: | Pivoted fork adjustable damper | Bottom-Link UNI-TRAK with adjustable preload and 16-way compression and rebound damping |
| Front Brakes: | Single 236mm disc | Single 220mm disc |
| Rear Brakes: | Single 140mm drum | Single 190mm disc |
| Front Tyre: | 90/90-19 | 80/100-21 51M |
| Rear Tyre: | 110/90-18 | 110/100-18 64M |
| Dry Weight: | 179 kg / 394.6 lbs | 100 kg / 220 lbs |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 9 Litres / 2.4 US gal |