The Kawasaki Z400GP is a motorcycle produced from 1980-93. It features a four-stroke, transverse four-cylinder engine with 2 valves per cylinder and a capacity of 399cc. The cooling system is air cooled and it has a compression ratio of 9.5:1. It has 4x21mm Teir-Kei carburetors and CDI ignition. The max power output is 43hp/32kW at 10500 rpm and the max torque output is 3.5 kgf-m/25.3 lb-ft at 8500 rpm. It has a 6-speed transmission and a chain final drive with a gear ratio of 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), and 6th 0.85 (23/27). It has leading axle telescopic forks for the front suspension and a pivoted fork adjustable damper for the rear suspension. The front brake is a single 236mm disc and the rear brake is a single 140mm drum. The front tire is 90/90-19 and the rear tire is 110/90-18. It has a dry weight of 179 kg/394.6 lbs and a fuel capacity of 15 litres/3.9 US gal. The average fuel consumption is 47 mpg and the standing 1/4 mile is 13.6 seconds. The top speed is 106 mph.
Technical specifications:
Make Model: Kawasaki Z 400J
| Year | 1980 – 93 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. |
| Capacity | 399 cc / 24.3 cu-in |
| Bore x Stroke | 52 47mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.5:1 |
| Induction | 4 x 21mm Teir-Kei carburetors |
| Ignition | CDI |
| Spark Plug | NGK D8EA or ND X24ES-U |
| Starting | Electric |
| Max Power | 43 hp / 32 kW @ 10500 rpm |
| Max Torque | 3.5 kgf-m / 25.3 lb-ft @ 8500 rpm |
| Transmission | 6 Speed |
| Final Drive | 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) |
| Front Suspension | Leading axle telescopic forks |
| Rear Suspension | Pivoted fork adjustable damper |
| Front Brakes | Single 236mm disc |
| Rear Brakes | Single 140mm drum |
| Front Tyre | 90/90-19 |
| Rear Tyre | 110/90-18 |
| Dry Weight | 179 kg / 394.6 lbs |
| Fuel Capacity | 15 Litres / 3.9 US gal |
| Consumption Average | 47 mpg |
| Standing 1/4 Mile | 13.6 sec |
| Top Speed | 106 mph |
