The Yamaha XJ 400Z motorcycle was manufactured in 1983 and features a four-stroke, transverse four-cylinder engine with a capacity of 399cc. It has a liquid cooling system and a compression ratio of 10.5:1. The ignition is transistorized CDI, and it starts electrically. At maximum power, it generates 55 horsepower at 11,500 rpm, while generating 3.5 kgf-m or 25.3 lb-ft torque at 10,000 rpm. It has a six-speed transmission and a chain final drive. The front suspension includes telescopic forks, while the rear suspension features a Monocross, link type. In terms of braking, the front has twin discs while the rear has a single disc. It rides on a 90/90-18 front tire and a 110/90-18 rear. Its wheelbase is 1420mm or 55.9 in, and it weighs 177 kg or 390.2 lbs dry. The fuel capacity is 19 litres or 5.0 US gallons.
Technical specifications:
Make Model: Yamaha XJ 400Z
| Year | 1983 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, four valve per cylinder |
| Capacity | 399 cc |
| Bore x Stroke | 54 53.6 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 10.5:1 |
| Induction | Carburator |
| Ignition | Transistorized CDI |
| Starting | Electric |
| Max Power | 55 hp / 41kW @ 11500 rpm |
| Max Torque | 3.5 kgf-m / 25.3 lb-ft @ 10000 rpm |
| Transmission | 6 speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks |
| Rear Suspension | Monocross, link type |
| Front Brakes | 2x discs |
| Rear Brakes | Single disc |
| Front Tyre | 90/90-18 |
| Rear Tyre | 110/90-18 |
| Wheelbase | 1420 mm / 55.9 in |
| Dry Weight | 177 kg / 390.2 lbs |
| Fuel Capacity | 19 Litres / 5.0 US gal |
