Yamaha xj400Z (1983)

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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

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