The Yamaha XJ 400Z-S motorcycle was produced in 1983 and comes with a liquid-cooled, four-stroke, four-cylinder engine. The engine has a displacement of 399cc and comes with a bore and stroke of 54mm and 53.6mm, respectively. The engine features a double overhead camshaft and four valves per cylinder. It comes with a 10.5:1 compression ratio and a carburetor induction system. The ignition is transistorized CDI, and the bike has electric start.
The motorcycle has a maximum power output of 55 horsepower at 11,500 rpm and can produce a peak torque of 3.5 kgf-m at 10,000 rpm. It has a six-speed transmission and a chain final drive. The front suspension features telescopic forks, and the rear suspension is monocross, link-type. The front brakes have two discs, while the rear uses a single-disc setup. The front and rear tires have sizes of 90/90-18 and 110/90-18, respectively.
The XJ 400Z-S has a wheelbase of 1420mm and weighs 179 kg. The fuel tank has a capacity of 19 liters or 5.0 US gallons.
Technical specifications:
Make Model: Yamaha XJ 400Z-S
| Year | 1983 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, four valve per cylinder |
| Capacity | 399 cc |
| Bore x Stroke | 54 ~A | 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 | 179 kg / 394.6 lbs |
| Fuel Capacity | 19 Litres / 5.0 US gal |
