Yamaha XJ400Z (1983)

The Yamaha XJ 400Z-E is a motorcycle model from 1983 with a four-stroke, transverse four-cylinder engine. It has a 399cc capacity, DOHC, and four valves per cylinder with a compression ratio of 10.5:1. The engine is liquid-cooled and has a carburettor induction and transistorized CDI ignition. The motorcycle has an electric starting system and can produce a maximum power of 55 hp or 41 kW at 11500 rpm, with a maximum torque of 3.5 kgf-m or 25.3 lb-ft at 10000 rpm.

The Yamaha XJ 400Z-E has a six-speed transmission and uses chain as its final drive. It has Telescopic forks as the front suspension and a monocross, link type as the rear suspension. The front brakes are equipped with two discs, and the rear brakes have one disc. The wheelbase is 1420 mm or 55.9 inches, and the motorcycle weighs 180 kg or 396.8 pounds when dry. It has a fuel capacity of 19 Litres or 5.0 US gal.

Overall, the Yamaha XJ 400Z-E is a classic motorcycle that has excellent features for its time, including its powerful engine and reliable suspension. Its production may have ended, but many riders still enjoy this motorcycle for its vintage charm and outstanding performance.

---

Technical specifications:

Make Model: Yamaha XJ 400Z-E

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: 180 kg / 396.8 lbs

Fuel Capacity: 19 Litres / 5.0 US gal