The Kawasaki ZXR 400 (1990) is a four-stroke, transverse four-cylinder, DOHC motorcycle with a 399cc capacity and a liquid cooling system. It has a compression ratio of 12.0:1, and 4x Keihin CVKD30 carburetors for induction. The bike starts with an electric ignition and has a maximum power of 59hp/44kW @ 12000rpm and a maximum torque of 40Nm/29.5lb-ft @ 10000rpm.
The clutch is a wet multi-disc and the transmission is 6-speed. The final drive is through a chain. The bike has an aluminum diamond tubular, double-cradle frame, and a front suspension consisting of 41 mm upside-down Showa forks that are adjustable for preload and rebound damping. The Uni-Trek rear suspension is also adjustable and has rebound damping.
The front brakes come with two 300mm discs with four-piston calipers while the rear brakes consist of a single 240mm disc with two-piston calipers. The front and rear tires have dimensions of 120/60-17 and 160/60-17, respectively, with a wheelbase of 1395mm/54.9in and a seat height of 765mm/30.1in.
The dry weight of the bike is 160kg/352.7lbs, with a wet weight of 177kg/390lbs. The bike has a fuel capacity of 16 litres/4.2 US gal.
Technical specifications:
Make Model: Kawasaki ZX-R 400-SP
| Year | 1990 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 4 Valve per cylinder. |
| Capacity | 399 cc / 24.3 cu-in |
| Bore x Stroke | 57 39 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 12.0:1 |
| Induction | 4x Keihin CVKD30 carburetors |
| Ignition | Transistorized |
| Starting | Electric |
| Max Power | 59 hp / 44 kW @ 12000 rpm |
| Max Torque | 40 Nm / 29.5 lb-ft @ 10000 rpm |
| Clutch | Wet multi disc |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Aluminum diamond tubular, double cradle |
| Front Suspension | 41mm Upside down Showa forks. adjustable preload with rebound damping. |
| Rear Suspension | Uni-Trek adjustable preload with rebound damping. |
| Front Brakes | 2x 300mm discs 4 piston calipers |
| Rear Brakes | Single 240mm disc 2 piston caliper |
| Front Tyre | 120/60-17 |
| Rear Tyre | 160/60-17 |
| Wheelbase | 1395 mm / 54.9 in |
| Seat Height | 765 mm / 30.1 in |
| Dry Weight | 160 kg / 352.7 lbs |
| Wet Weight | 177 kg / 390 lbs |
| Fuel Capacity | 16 Litres / 4.2 US gal |
